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iSpring PMP10T Replacement Booster Pump for RCS10T Reverse Osmosis System, High-Performance Pressure Boosting Pump for 1000 GPD Tankless RO Systems (PMP10T)
Product Parameters: 3/8" quick-connect fittings. 24V DC operation. Compatible inlet pressure range: 30–70 psi. Waterproof rating: IPX5.
Optimized for High-Flow RO Systems: Ideal for RCS10T reverse osmosis system, the booster pump provides stable inlet pressure to optimize RO membrane efficiency, improving water production.
Pre-Wired Quick Connection: Enable fast and hassle-free installation. Easily connects to the existing system without complex wiring or plumbing work.
Quiet & Durable Operation: smooth and quiet performance with noise level at only about 65db, good for continuous daily use in residential and light commercial environments.
Note: Instead of replacing the system, you can add a booster pump to your RO setup. Additional accessories may be required for automatic operation, including a low- and high-pressure switch, feed water solenoid valve, auto-flush solenoid valve, and transformer.
iSpring F2WGB21BKSNC Whole House Water Filter Replacement Pack, SGS-Tested to Remove up to 94.4% of Chloramine, Reduces Heavy Metals, Lead, Chlorine, Sediment, 10” x 4.5” Filters, Fits WGB21B-KSNC (F2WGB21BKSNC)
Dual-Stage Protection：GAC+KDF and catalytic carbon filters target lead, chloramine, and heavy metals for clean, great-tasting water for your whole house water filter system.
Heavy Metal Defense： FG15B-KS (Stage 1) filter reduces lead, mercury, and hydrogen sulfide in city or well water
94.4% Chloramine Removal：SGS-Tested FC15B-NC (Stage 2) filter eliminates chloramine, chlorine, VOCs, and chemical odors —effective as a chloramine removal water filter.
Space-Saving Design：Compact 10" x 4.5" size fits well in tight spaces — ideal for apartments and small homes.
Healthy Minerals Retained: Removes harmful contaminants while preserving beneficial minerals, without lowering TDS.
Lifetime U.S. Support：Direct access to our Georgia-based technical team for the life of your product.
iSpring US31KF-PF True Physical 3-stage PFAS Removal Under-Sink Water Filter System Reduces PFOA/PFOS, Rust, Sand, Odor, 10,000 Gallons Capacity, NSF/ANSI Compliant, Direct Connect to Kitchen Faucet, 10-Year Reusable Housings. (US31KF-PF)
Do It Right Once, Then Enjoy It with Ease – Installation and filter replacement take a bit more time and effort than twist‑on disposable 1-stage, but a worthy trade‑off for longer filter life, better filtration, and lower long‑term cost. Search YouTube for "How to Install iSpring US31KF Under Sink Water Filtration System" before purchasing. You'll find you can do it.
Proven 3-Stage System, Built for PFAS Reduction – The classic 3-stage 2.5" x 10" system—trusted for decades—now upgraded with PFAS-focused filtration media to effectively reduce up to 99% of PFAS (“forever chemicals”), along with chlorine, VOCs, and other contaminants for cleaner, better-tasting water.
You Pay for Filter, Not Disposable Plastic – The second‑stage carbon block filter delivers ~13 oz of activated carbon in a reusable housing built to last 5–10 years. That's 2.3× more carbon than quick‑change twist‑on cartridges, with only ~1 oz of plastic. Those disposable cartridges pack just 5 oz of carbon inside a 12‑oz plastic shell – then get thrown away after one use. Every quick‑change cartridge you buy funds plastic waste, not clean water.
What You See Is What's Caught – The transparent housing lets you see your filter color change and mud buildup in real time, so you know your money is at work — not on guess.
Lifetime Local Support – Enjoy a 30-day money-back guarantee, a 1-year limited warranty, and lifetime technical support from our Atlanta, GA team – real people, real help, right here in the U.S.
Don't want to drill or modify your kitchen? Traditional under sink filters require permanent countertop changes — US31KF-PF connects directly to your existing cold water supply with standard 3/8″ compression fittings. No drilling. No extra faucet. No plumber.
Healthy Minerals Retained (Does Not Lower TDS): Unlike RO systems, our PFAS removal under sink water filter reduces harmful contaminants while keeping beneficial minerals.
iSpring US31KF-BV True Physical 3-stage Bacteria Removal Under-Sink Water Filter System Reduces Particles, Rust, Bad Odor, 10,000 Gallons Capacity, NSF/ANSI Compliant, Direct Connect to Kitchen Faucet, 10-Year Reusable Housings (US31KF-BV)
Do It Right Once, Then Enjoy It with Ease – Installation and filter replacement take a bit more time and effort than twist‑on disposable 1-stage, but a worthy trade‑off for longer filter life, better filtration, and lower long‑term cost. Search YouTube for "How to Install iSpring US31KF Under Sink Water Filtration System" before purchasing. You'll find you can do it.
Proven 3-Stage System, Enhanced for Bacteria Protection - Based on the industry-standard 3-stage 2.5" x 10" design—trusted since the 1970s for its reliability and effectiveness. Now enhanced with advanced filtration media to help reduce bacteria, viruses, chlorine, VOCs, and other common contaminants while improving taste and odor.
You Pay for Filter, Not Disposable Plastic - The second‑stage carbon block filter delivers ~13 oz of activated carbon in a reusable housing built to last 5–10 years. That's 2.3× more carbon than quick‑change twist‑on cartridges, with only ~1 oz of plastic. Those disposable cartridges pack just 5 oz of carbon inside a 12‑oz plastic shell – then get thrown away after one use. Every quick‑change cartridge you buy funds plastic waste, not clean water.
What You See Is What's Caught – The transparent housing lets you see your filter color change and mud buildup in real time, so you know your money is at work — not on guess.
Lifetime Local Support – Enjoy a 30-day money-back guarantee, a 1-year limited warranty, and lifetime technical support from our Atlanta, GA team – real people, real help, right here in the U.S.
Don't want to drill or modify your kitchen? Traditional under-sink filters require permanent countertop changes — US31KF-BV connects directly to your existing cold water supply with standard 3/8" compression fittings. No drilling. No extra faucet. No plumber.
Healthy Minerals Retained (Does Not Lower TDS): Unlike RO systems, our bateria removal under-sink filters reduces harmful contaminants while keeping beneficial minerals.
iSpring US31KF True Physical 3-stage Chlorine Removal Under-Sink Water Filter System Reduces Sediment, Rust, Dirt, Odor, 10,000 Gallons Capacity, NSF/ANSI Compliant, Direct Connect to Kitchen Faucet, 10-Year Reusable Housings. (US31KF)
Do It Right Once, Then Enjoy It with Ease – Installation and filter replacement take a bit more time and effort than twist‑on disposable 1-stage, but a worthy trade‑off for longer filter life, better filtration, and lower long‑term cost. Search YouTube for "How to Install iSpring US31KF Under Sink Water Filtration System" before purchasing. You'll find you can do it.
Classic 3-Stage 2.5x10-inch Olddies: Invented in the 1970s and a de facto industrial standard and the most popular so far. Why? Repliable, Trustworthy, Get the job done, and, fortunately or unfortunately, Dirt Cheap, only $17.43 for 3 stages under counter water filter pack iSpring F3.
True 3-Stage Design For Deep Chlorine Removal. Pure water can’t be rushed. While typical single-cylinder filters let water rush through a thin layer of media, the US31KF features a True 3-Stage system that triples the filtration path. This significantly extends the contact time with our premium carbon media, allowing it to thoroughly absorb chlorine—the main culprit behind bad taste and chemical odors. The result is a deep level of purification and bottle-quality freshness that rushed, single-stage alternatives simply cannot match.
You Pay for Filter, Not Disposable Plastic: The third‑stage carbon block filter delivers ~13 oz of activated carbon in a reusable housing built to last 5–10 years. That's 2.3× more carbon than quick‑change twist‑on cartridges, with only ~1 oz of plastic. Those disposable cartridges pack just 5 oz of carbon inside a 12‑oz plastic shell – then get thrown away after one use. Every quick‑change cartridge you buy funds plastic waste, not clean water.
What You See Is What's Caught – The transparent housing lets you see your filter color change and mud buildup in real time, so you know your money is at work — not on guess.
Lifetime Local Support – Enjoy a 30-day money-back guarantee, a 1-year limited warranty, and lifetime technical support from our Atlanta, GA team – real people, real help, right here in the U.S.
Don't want to drill or modify your kitchen? Traditional under-sink filters require permanent countertop changes — US31KF connects directly to your existing cold water supply with standard 3/8″ compression fittings. No drilling. No extra faucet. No plumber.
Healthy Minerals Retained (Does Not Lower TDS): Unlike RO systems, our chlorine removal under sink water filter reduces harmful contaminants while keeping beneficial minerals.
iSpring US31KF-NC True 3-stage Chloramine Removal Under-Sink Water Filter System Reduces VOCs, Cloudiness, Bad Odor, 10,000 Gallons Capacity, NSF/ANSI Compliant, Direct Connect to Kitchen Faucet, 10-Year Reusable Housings. (US31KF-NC)
Do It Right Once, Then Enjoy It with Ease – Installation and filter replacement take a bit more time and effort than twist‑on disposable 1-stage, but a worthy trade‑off for longer filter life, better filtration, and lower long‑term cost. Search YouTube for "How to Install iSpring US31KF Under Sink Water Filtration System" before purchasing. You‘ll find you can do it.
Proven 3-Stage System, Upgraded for Chloramine — Based on the industry-standard 3-stage 2.5" x 10" design—trusted since the 1970s for its reliability and effectiveness. Now enhanced with catalytic carbon to target chloramine, VOCs, chlorine, and other harmful contaminants while improving taste and odor.
True 3-Stage Design For Cleaner Water. Pure water can’t be rushed. While typical single-cylinder filters let water rush through a thin layer of media, the US31KF-NC features a True 3-Stage undersink system that triples the filtration path. This significantly extends the contact time with our premium carbon media, allowing it to thoroughly absorb Chloramine—the main culprit behind bad taste and chemical odors. The result is a deep level of purification and bottle-quality freshness that rushed, single-stage alternatives simply cannot match
Buy Filter Not Plastic Shell: The third‑stage carbon block filter delivers ~13 oz of activated carbon in a reusable housing built to last 5–10 years. That’s 2.3× more carbon than quick‑change twist‑on cartridges, with only ~1 oz of plastic. Those disposable cartridges pack just 5 oz of carbon inside a 12‑oz plastic shell – then get thrown away after one use. Every quick‑change cartridge you buy funds plastic waste, not clean water.
What You See Is What's Caught – The transparent housing lets you see your filter color change and mud buildup in real time, so you know your money is at work — not on guess.
Lifetime Local Support – Enjoy a 30-day money-back guarantee, a 1-year limited warranty, and lifetime technical support from our Atlanta, GA team – real people, real help, right here in the U.S.
Don’t want to drill or modify your kitchen? Traditional under-sink filters require permanent countertop changes — US31KF-NC connects directly to your existing cold water supply with standard 3/8″ compression fittings. No drilling. No extra faucet. No plumber.
Healthy Minerals Retained (Does Not Lower TDS): Unlike RO systems, our chloramine removal under sink water filter system reduces harmful contaminants while keeping beneficial minerals.
iSpring WSP100BWSP50SL Spin Down Sediment Filter Softener with Siliphos, Rust, Scale, and Corrosion Prevention, Stainless Steel 50 Micron, Flushable, Reusable, w/ 100 Micron Spin Down Sediment Filter (WSP100BWSP50SL)
Simplified Two-Stage Whole-House Solution: Together, the WSP100B + WSP-50SL bundle offers a complete two-stage filtration strategy for homes that need both bulk sediment removal and advanced scale & fine‐particle protection, ideal for protecting water heaters, softeners, appliances and piping systems.
High-Capacity Protection: The WSP100B as the upstream pre-filter uses a 100- micron mesh and high-capacity construction to intercept larger debris, thereby relieving workload on the WSP-50SL and extending its service life.
Premium Scale & Corrosion Defense: The WSP-50SL incorporates Siliphos media to help prevent scale and corrosion on plumbing fixtures and appliances, a capability rarely found in standard whole-house sediment filters.
Fine Sediment Filtration: With a 50- micron stainless steel mesh screen, the WSP-50SL delivers precise removal of sand, rust, dirt and other fine particulates while maintaining a flow rate up to 20 GPM.
Visual Monitoring & Dual Thread Fittings: The WSP-50SL features a clear housing for visual inspection and double-thread connectors (1″ MNPT & 3/4″ FNPT) for flexible installation.
Robust Materials & Reusable Design: Both units incorporate lead-free brass heads, stainless mesh screens, explosion-proof transparent housings and flushable/reusable designs for economical long-term operation.
iSpring WGB32B-MKS 3-Stage Whole House Water Filtration System, Removes Iron, Manganese, Hydrogen Sulfide, Chlorine, and Sediment, 15 GPM Flow, w/ F3WGB32BMKS Replacement Filter Pack (WGB32B-MKSF3)
Advanced 3-Stage Filtration: The WGB32B-MKS system employs three precision-engineered filters for comprehensive protection. The FP25B sediment filter captures particles down to 5 microns, the FG25B-KS compound filter targets chlorine, lead, mercury, hydrogen sulfide, and heavy metals, while the FM25B iron filter effectively reduces iron up to 3.0 ppm and manganese up to 1.0 ppm.
High Flow and Long Lifespan: Designed for high-capacity households, this system maintains up to 15 GPM flow with minimal pressure drop. Depending on water quality and usage, each filter set provides a family of four with clean water for up to a year.
DIY-Friendly Installation: Features 1” NPT inlet/outlet connections and standard 20” x 4.5” filter cartridges for easy setup. Includes a detailed manual and access to iSpring’s instructional YouTube videos for guided installation.
Mineral Retention Design: Unlike reverse osmosis systems, the WGB32B-MKS preserves essential minerals (TDS) while removing harmful contaminants, ensuring water that is both safe and naturally balanced.
Complete Replacement Pack: The F3WGB32BMKS filter pack includes FP25B, FG25B-KS, and FM25B cartridges. Each filter is individually wrapped to maintain freshness, ensuring optimal performance upon installation.
Consistent Performance & Support: Replacement filters sustain up to 15 GPM flow and year-long service life under typical use. Supported by iSpring’s Atlanta, GA customer service team, offering expert guidance and post-purchase technical assistance.
iSpring WSPGR - Reusable Spin Down Sediment Water Filter (50 Micron w/Scraper & 360°Head) (WSPGR)
Stainless steel mesh filter screen rated at 50 Micron. Double threads on both ends: 1inch MNPT and 3/4 inch FNPT, 1/4" flush out fitting included. WSP series can be used for waste water treatment by spin down the sediment.
Flushable and reusable, takes the considerable workload off finer filters that follow behind it; helps create a multi-layer gradient filtration system for better filtration results and longer filter life.
System can be installed in any direction thanks to the 360° rotatable head connection.
The steel mesh filter cartridge and housing can be easily cleaned by rotating the scraper, saving time and effort on routine maintenance.
Lifetime support from iSpring in Alpharetta, GA at (678) 261-7611
iSpring FC15X25 Box of 25 CTO Carbon Block Water Filter Replacement Cartridge (FC15X25)
Individually wrapped, packed in 25 pcs per carton
5 micron Rating
Made from coconut shell carbon
Fits 10" standard filter housings
Removes Chlorine and Organic chemicals
iSpring FG15X25 Box of 25 10"x 2.5" GAC Granular Activated Carbon Water Filter Replacement Cartridge (FG15X25)
Individually wrapped, packed in 25 pcs per carton 5 micron Rating Made from coconut shell carbon Fits 10" standard filter housings Removes chlorine, bad odor and taste
iSpring WGB32B-PB 3-Stage Whole House Water Filter System, Removes up to 99% Lead, Chlorine, and Odor, High Capacity up to 150,000 Gallons, 15 GPM Flow, w/ F3WGB32BPB Replacement Filter Pack (WGB32B-PBF3)
Lead-Focused Whole House System: The WGB32B-PB unit is engineered to reduce lead via its third-stage FCRC25B cartridge, rated for up to 150,000 gallons of filtration at 100 ppb lead levels.
High Flow Rate & Large-Capacity Cartridges: Supports up to 15 gallons per minute flow, using standard 20″ × 4.5″ filter cartridges, 1″ NPT inlet/outlet.
Three-Stage Filtration for Sediment, Carbon & Lead: Stage 1 removes down to 5-micron sediment; stage 2 uses coconut shell carbon block for chlorine/taste/odor removal; stage 3 targets lead.
Retains Beneficial Minerals & No Waste Water: Unlike RO systems, the WGB32B-PB does not reduce TDS and does not waste water.
Replacement Pack for Easy Maintenance: The F3WGB32BPB set includes three cartridges (sediment, carbon block, lead-reducing) sized 20″ × 4.5″ to fit WGB32B-PB housings.
Long-Term Support: Backed by iSpring’s U.S.-based customer service in Atlanta, GA, providing professional assistance for system setup, filter replacement, and post-sale support.
iSpring FA15X3 iSpring Alkaline Water Filter Replacement Cartridge, Pack of 3 (FA15X3)
The RO membrane removes not only harmful pollutants but also a few helpful minerals. As a result, a standard 5 stage RO system produces slightly acidic water with a pH of 7.0 or below. Alkaline filter produces pH 8-9 alkaline water with restored minerals such as natural calcium and magnesium.
The Alkaline filter can be added to any under-sink water filter or RO system. 3 filters included.
Raises pH level to 8-9
Updated FA15 alkaline filters are built with a secure push-fit quick connection, which allows faster filter replacement. If you have trouble installing the filters, please refer to the user manual or contact us
iSpring WGB32B-KS Whole House Water Filter System, Removes Chlorine, Lead, Mercury, Hydrogen Sulfide, and Heavy Metals up to 15 GPM, 3-Stage Filtration, w/ F3WGB32BKS Replacement Filter Set (WGB32BKS-F3)
Comprehensive Filtration: The 3-stage system includes a 5-micron sediment removal filter, a GAC and KDF compound filter, and a CTO carbon block filter, effectively reducing sediment, chlorine, lead, mercury, hydrogen sulfide, heavy metals, and pesticides.
High Flow and Capacity: Supports up to 15 gallons per minute (GPM) water flow, with each cartridge providing up to 100,000 gallons of clean water—sufficient for a family of four for one year.
Durable Build Quality: 20” x 4.5” filter cartridges made with premium polypropylene and coconut shell carbon, tested to meet NSF/ANSI standards for safety and performance.
Easy Installation: Comes with 1” NPT inlet/outlet connections, detailed manual, and video guides for DIY setup and maintenance, ensuring consistent whole-house filtration.
Reliable Replacement Set: Includes one sediment removal, one GAC+KDF, and one CTO carbon block cartridge compatible with the WGB32B-KS system, individually wrapped for freshness.
Long-Term Support: Backed by iSpring’s U.S.-based customer service in Atlanta, GA, providing professional assistance for system setup, filter replacement, and post-sale support.
iSpring AFW Water Supply Adapter (Angle stop valve) 3/8 x 3/8 x 1/4 inch (AFW)
3/8" Male and Female NPT, compatible with most undersink multi-turn valve and kitchen faucet connector. Branch out water supply for water filter system that uses 1/4-inch tubing. All metal body Ceramic valve disk Washer included No tools required
iSpring FP15X2 5 Micron 10"x2.5" Standard Sediment Water Filter Replacement Cartridge, 2-Pack (FP15X2)
Made of 100% Melt-Blown Polypropylene, multi-layer filtration. This filter can also be used for pool and hottub.
Fits standard 10" housings, including brand name models
Each filter last 3 - 6 months depending on water quality and volume
2 replacement cartridges included.
iSpring FC15 NSF/ANSI 58 Certified Standard 10 inch CTO Carbon Block Water Filter Cartridge Replacement, 5 Microns (FC15)
Reduces fine sediment and chlorine taste and odor in residential and commercial drinking water
Rated at 5 microns
Bonded Pac media with polyolefin pre-filter and polyethylene netting
Initial pressure drop of 3.4 psi at a flow rate of 1 gpm
Water temperature range of 41 to 100°F (5°C to 38°C)
NSF/ANSI 58 Certified: Independently tested and certified to meet NSF/ANSI 58 standards, ensuring reliable removal of harmful contaminants for safe, high-quality drinking water.
iSpring FG15 NSF/ANSI 58 Certified GAC Granular Activated Carbon 2.5"x10" Water Filter Replacement, 2.5" x 10" (FG15)
Individually wrapped
5 micron rating
Made from coconut shell carbon
Fits 10 inch standard filter housings
Removes chlorine, bad odor and taste
NSF/ANSI 58 Certified: Independently tested and certified to meet NSF/ANSI 58 standards, ensuring reliable removal of harmful contaminants for safe, high-quality drinking water.
iSpring FG25 20” x 2.5” Water Filter Replacement Cartridges - Granular Activated Carbon - Fits RCB3P RO System and other 20” x 2.5” Systems (FG25)
Protect Your Family and Household Appliance from Chlorine and More: Say goodbye to smelly, bad tasting water! The FG25 granular activated carbon filter is specially designed to remove dust, particles, rust, and odors and tastes caused by various contaminants, especially chlorine from your source water.
Standard Size: Our filter set fits standard 20” x 2.5” housings, including brand name models.
Our FG25 granular activated carbon filters are made of coconut shell carbon to increase filtration efficiency and extend filter life. They are tested by an independent third-party to meet NSF/ANSI standards. The filters have a capacity of 30,000 gallons of water, enough to supply a family of four with clean water for half a year. Water flow: up to 12 GPM.
Peace of Mind Customer Service: Register online to activate your extended manufacturer warranty and life-time free tech support from U.S. local support team. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately. We are happy to help!
Please Note: The cartridges are individually wrapped to ensure freshness. Please unwrap the cartridges before use. Unlike an RO membrane, the filters don’t reduce Total Dissolved Solids (TDS). If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems.
iSpring RO800G Tankless RO System, Removes up to 99% Chlorine, PFAS, Fluoride, Lead, Arsenic, and more, 800 GPD, 2.5:1 Pure to Drain, w/ Brushed Nickel Faucet and F4-RO800 3 Years Replacement Filter Pack (RO800G+F4RO800)
Next-Generation 800 GPD RO System: The iSpring RO800G tankless reverse osmosis water filtration system delivers up to 0.6 GPM of purified water, ideal for households, offices, and coffee shops. Designed for high-demand applications, it provides consistent water pressure and stable performance.
Removes Chlorine, Chloramine & Heavy Metals: The PP+CTO composite and 800 GPD RO membrane filters effectively reduce sediment, rust, sand, chlorine, chloramine, fluoride, lead, arsenic, and TDS down to 0.0001 microns, providing safe and great-tasting water.
Tankless Design with Water-Saving Efficiency: Enjoy instant access to filtered water with no storage tank required. The compact under-sink design saves space while its 2.5:1 pure-to-drain ratio uses significantly less water than traditional RO systems.
Smart Monitoring & Easy Maintenance: Features automatic pre-flush, real-time filter life reminders, and quick twist-and-lock replacements. Filter changes require no tools or plumber and can be done without shutting off the water supply.
Long-Lasting Replacement Pack: The F4RO800 filter pack includes 3 FPPC composite filters (12-month lifespan each) and 1 MRO800 RO membrane (up to 36 months), providing up to 3 years of dependable filtration for the RO800G system.
Premium Build & Support: Made from food-grade, BPA-free materials and paired with a lead-free faucet. Backed by a 1-year limited warranty upon registration and lifetime customer support from iSpring’s Georgia, USA-based service team.