iSpring
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iSpring CT10-C Countertop Water Filter, Multi-Layer Faucet Water Filter System with Versatile Faucet Adapter, Reduces Heavy Metals, Bad Odor, and Chlorine, Clear (CT10-C)
Multi-stage countertop water filtration: The iSpring CT10 water filter system combines activated carbon, dual layered sediment filtration, KDF media, and calcite into a single convenient cartridge. A convenient, portable water filtration system for kitchen, bathroom, RV, dorms, vacations homes, and more. Note: This system DOES NOT lower TDS value. If you prefer low TDS value, please choose iSpring RO system.
Healthy and clear water supplier: It removes DUST, RUST, PARTICLES, and more. Also removes LEAD, IRON, HERBICIDES, ASBESTOS, CHLORINE and other contaminants. Produces fresh clean water. Your guardian against diseases caused by contaminants in water.
Convenient and long lasting for use: It only takes a few seconds to fill a glass of fresh water from CT10 multi-stage filtration cartridge in a white housing. Water sources can be city water or natural water. Up to 4000 Gallon water output before replacement of a filter, or you can replace the filter every 6 to 9 months, depending on the quality of your source water and/or your preferred water’s taste.
Easy to install and maintain: It takes a few minutes to install this space-saving countertop filter system to get ready for good-tasting filtered water. The filtration system includes a faucet adapter that comes with multiple thread sizes to fit most types of common taps. Installation and removal of the filter(FCT10) is quick and easy.
Customer Services: iSpring stands behind its products with 30-day money back guarantee, extended manufacturer warranty upon registration, and lifetime free tech and customer support phone right from Atlanta, GA. Your satisfaction is our top priority!
iSpring WSP Spin Down Sediment Water Filter, Whole House Reusable Flushable Prefilter for Well Water, 1" MNPT + 3/4" FNPT, Lead-Free Brass (WSP)
Rated from 50 micron to 1000 micron. Whole House Spin Down Sediment Water Filter. Ideal frontier water filter in whole house water filter system, protecting your entire plumbing system from sediment, rust, dirt, sand, and large particles. NOTE: Screens with 50 or 100 microns may be clogged very soon for water with high sediment content. Contact us for screen replacement in different sizes.
Flushable and Reusable. Take the considerable workload off finer filters that follow behind it; unlike traditional sediment filters, regular flushing keeps the WSP performance in control. WSP series can be used for waste water treatment by spin down the sediment.
Durable Whole House Spin Down Sediment Water Filtration. Solid lead-free brass machine head with stainless steel mesh filter screen that usually lasts 1 - 2 years.
Easy installation with double threads.1-inch MNPT and 3/4-inch FNPT on both ends, garden hose barb fitting on flush out valve. See-through housing provides easy visual monitoring.
Indoor friendly. It's for 40- 100F, 15 -115 psi and for indoor use only. Pressure loss or clogged frequently may cause by large particles. If the contaminants in your water are too many or too large, we recommend you choose a larger micron of filter or larger spin down sediment water filtrations like our WSP50B series and WSP50J series.
iSpring F3WGB31BCPB Whole House Water Filter Replacement Pack, SGS-Tested to Reduce up to 99% Lead, Also Targets Chlorine and Sediments, 10” x 4.5”, Fits WGB31B-CPB (F3WGB31BCPB)
Powerful 3-Stage Filtration: The iSpring F3WGB31BCPB whole house water filter replacement pack includes a 10” x 4.5” sediment filter (FP15B), a CTO carbon block (FC15B), and a lead removal filter (FC15B-PB) with filtration media independently tested by SGS to remove up to 99% of lead. Together, they effectively reduce sediments, chlorine, unpleasant tastes and odors—providing clean, odor-free water for your entire home.
Built to Last: Designed for durability, this filter set delivers reliable performance for up to 50,000 gallons or 12 months, depending on water usage and quality. It is a long-lasting solution for those seeking a dependable whole house water filter replacement.
Sealed for Quality: Every cartridge is individually wrapped to ensure freshness and peak performance. Be sure to unwrap before use.
Lifetime U.S. Support – Our friendly customer service team is always ready to guide you through filter replacement and whole-house system maintenance.
Healthy Minerals Retained: This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems.
iSpring F3WGB31BKDS Ultimate Protection Whole House Water Filter Replacement Pack, Reduces Heavy Metals, Scale, Chlorine, Hydrogen Sulfide, Up to 12 Months, 4.5” x 10”, Fits WGB31B-KDS (F3WGB31BKDS)
Scale & Corrosion Defense: Protect your pipes and appliances with the F3WGB31BKDS whole house water filter. This 3-stage water filter replacement pack is designed for the iSpring WGB31B-KDS whole house water filter system. This whole house water descaler uses a patented inhibitor to reduce calcium and magnesium buildup, combat corrosion, and create a protective barrier for your pipe.
Specialized Heavy Metals Filtration: The FG15B-KS filter targets chlorine, lead, mercury, and hydrogen sulfide, ensuring comprehensive protection for your home’s water supply.
Chlorine & Odor Reduction: The FC15B carbon water filter removes residual chlorine, odors, and unpleasant tastes, delivering crisp, clean water throughout your home.
Reliable Filtration, Low Upkeep: Engineered for long-lasting use, these compact whole house water filters supports up to 15 GPM and treats up to 80,000 gallons. Individually sealed cartridges ensure peak freshness and performance—unwrap before installation.
Lifetime Support for Peace of Mind – Our U.S.-based customer service team is here to help you every step of the way as you replace filters and maintain your whole-house system.
Healthy Minerals Retained: This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems—perfect complements to any water filtration for house.
iSpring F3WGB31BDS Anti-Scale Whole House Water Filter Replacement Pack, Reduces up to 99% Chlorine, Scale, Odor, and Sediments, Up to 12 Months, 4.5” x 10”, Fits WGB31B-DS (F3WGB31BDS)
Scale & Corrosion Protection: This 3-stage water filter replacement pack is designed for the iSpring WGB31B-DS whole house water filter system. The patented inhibitor in this whole house water descaler prevents calcium and magnesium buildup, reduces corrosion, and forms a protective barrier on your pipe.
Powerful 3-Stage Protection: The iSpring F3WGB31BDS whole house water filter replacement set includes a 10" x 4.5" sediment filter (FP15B), a CTO carbon block filter (FP15B) and an anti-scale filter (FWDS80K)— removing up to 99% of chlorine, scale, corrosion, bad odor & tastes, and sediments for clean, odor-free water.
Durable & Low Maintenance: Built for long-term performance, these compact filters support flow rates up to 15 GPM and treats up to 80,000 gallons of water. Every cartridge is individually wrapped to ensure freshness and peak performance. Be sure to unwrap before use.
Peace of Mind Guaranteed: Supported by lifetime technical support from our U.S.-based customer service team. Whether you're replacing your whole house water filter or maintaining your system, we're here to help — before and after your purchase.
Healthy Minerals Retained: This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems—perfect complements to any water filtration for house.
iSpring F3WGB31BPF Whole House Water Filter Replacement Pack, SGS-Tested, Remove up to 99% PFAS, Sediment, Chlorine, Taste & Odor, Up to 12 Months, 4.5” x 10”, Fits WGB31B-PF (F3WGB31BPF)
PFAS-Free Water for Your Whole Home – This 3-stage pfas water filter replacement pack is designed for the iSpring WGB31B-PF whole house water filter system, featuring an SGS-tested FC15B-PF filter media that removes up to 99% of PFAS (including PFOA and PFOS) found in municipal and well water.
Compact 3-Stage Protection – This whole house water filter replacement set also effectively reduces sediment, rust, chlorine, taste, odor, PFAS, and other harmful chemicals. Whether you're on city or well water, these filters deliver whole home protection for you and your family.
Built to Last – Designed for durability, these whole house water filters deliver reliable performance for up to 50,000 gallons or 12 months, depending on water usage and quality. It is a long-lasting solution for those seeking a dependable filter replacement.
Freshness Guaranteed – Every cartridge comes individually sealed at the factory to ensure maximum cleanliness and peak performance. Simply unwrap and install.
Lifetime U.S. Support – Our friendly customer service team is always ready to guide you through filter replacement and whole-house system maintenance.
Beneficial Minerals Intact – Filters your water while preserving essential minerals without lowering TDS. For complete removal of total dissolved solids, consider iSpring Reverse Osmosis systems.
iSpring F4-RO800 3 Years Replacement Filter Pack for RO800G Series, Includes 3x FPPC and 1x MRO800 (F4-RO800)
Designed for iSpring RO800G System: This F4RO800 replacement filter pack includes 3x FPPC composite filters and 1x MRO800 reverse osmosis membrane, specifically designed for the iSpring RO800G tankless RO water filtration system
Long-Lasting Performance: Each FPPC filter typically lasts up to 12 months, while the MRO800 RO membrane provides effective filtration for up to 36 months under normal usage and water conditions. This kit can last up to 3 years, depending on your incoming water quality and water usage, ensuring your home or business has clean, great-tasting water for the long term
Powerful Multi-Stage Filtration: The FPPC filters combine sediment and activated carbon to reduce rust, chlorine, odors, and other common contaminants, while the MRO800 membrane targets dissolved solids and microscopic impurities down to 0.0001 microns. This package delivers up to 800 gallons of purified water per day with an efficient 2.5:1 pure-to-wastewater ratio—ensuring clean, great-tasting water and peak system performance
Effortless Filter Replacement: The convenient twist-and-lock design allows quick, tool-free filter changes in seconds—no need to shut off the water. Enjoy consistent performance with simple, hassle-free maintenance
iSpring Auto Flushing Spin-Down Sediment Water Filter with Bypass, 50-Micron Jumbo Size Touch Screen Reusable Prefilter, w/ Auto Shut-Off Leak Detector Alarm System (Model: WSP50ARJ-BP) (WSP50ARJBPLS43)
Durable Whole House Protection: The WSP50ARJ-BP prefilter blocks sediment, sand, rust, and dirt down to 50 microns, protecting your plumbing, water heaters, and appliances from clogging and damage.
Advanced Self-Cleaning Feature: Equipped with an integrated auto-flushing module, this spin-down filter reduces maintenance time by automatically removing collected debris.
Easy Bypass Operation: Built-in bypass valve allows quick filter cleaning, cartridge replacement, or system maintenance without interrupting water supply.
Heavy-Duty Build: Transparent housing with reinforced construction provides durability and visibility for real-time filter monitoring.
Smart Leak Detection & Protection: The LS43 leak detector system includes an automatic shutoff valve and 2 sensors, with support for up to 8 sensors, giving you whole-home water leak protection.
Quick Installation & Compatibility: With 3/4” NPT connections, LS43 integrates seamlessly with the WSP50ARJ-BP filter, ensuring both filtration and leak prevention in one reliable bundle.
LittleWell 154KX10 1/4" Inline Quick Connect Fitting, 0404UCX10 154KX10, Pack of 10 (0404UCX10 (154KX10))
Push-fit connections for 1/4" tubing. Suitable for use with 1/4" Pex, CPVC, and copper pipe. Lead free. 1/4" x 1/4" O.D
iSpring 4-Stage Ultra Filtration Under Sink Water System, 0.01-Micron, Removes 99.99% Contaminants, Quick Filter Change with Brushed Nickel Faucet, w/up to 1-Year Replacement Filter Set (Model: CU-A4) (CU-A4F4)
Advanced 4-Stage Filtration: The iSpring CU-A4 effectively reduces chlorine, lead, heavy metals, VOCs, and harmful contaminants, delivering clean and safe drinking water straight from your tap.
Improved Taste & Odor: Enjoy fresh, crisp water by removing unpleasant taste, chlorine smell, and chemical residues, making it ideal for cooking, beverages, and direct consumption.
Compact & Easy to Install: Designed for under sink use, the CU-A4’s space-saving build fits neatly in kitchens, apartments, or RVs. DIY-friendly installation requires no plumbing experience.
Durable & Reliable Performance: Constructed with high-quality materials, the CU-A4 ensures consistent filtration and dependable long-term use, providing better water at your convenience.
Includes Replacement Filters (F4-CUA4): Bundle comes with a complete filter set for up to 1 year of use, ensuring continuous fresh water without the hassle of frequent reorders.
iSpring Light Commercial Tankless Reverse Osmosis Water Filtration System, Removes up to 99% contaminants, 300 GPD, Booster Pump & Pressure Gauge, w/ up to 2-Year Replacement Filter Set (Model: RCB3P) (RCB3PF17)
Powerful RO Water Filtration System – This high-capacity reverse osmosis system removes up to 99% of over 1,000 contaminants and hardness, including PFAS (PFOA and PFOS), lead (up to 98%), chlorine, fluoride, arsenic, asbestos, calcium, sodium, and more.
Durable RO System & Easy Installation – Built with a freestanding stainless steel frame and a metal hanging bracket, this system makes installation and filter replacement easier while providing added protection.
High Production Rate RO Water Filter – Super-efficient RO membranes deliver up to 300 gallons of purified reverse osmosis water per day, removing a wide range of contaminants as small as 0.0001 microns.
1.5:1 Pure to Drain Tankless RO System – Equipped with a built-in booster pump to increase purified water production by raising water pressure. Designed for residential or light commercial applications and compatible with 11- or 20-gallon iSpring storage tanks (tank not included).
Includes 2-Year Replacement Filter Set – Bundle comes with the iSpring F17RCB3P replacement filter pack, providing up to 2 years of reliable filter supply for long-term cost-effective maintenance
iSpring 3-Stage Under Sink Tankless Water Filtration System, NSF/ANSI Standards Bacteria and Viruses Removal, Long-Lasting Durability, w/ Up to 1-Year Replacement Filter Set (Model: US31-BV) (US31-BVF3)
3-Stage Filtration Under the Sink – US31-BV uses a PP sediment stage, CTO carbon block, and a specialty CTO membrane to reduce particles, chlorine, taste & odor,
Superior Quality – Built with high-quality components and a transparent first-stage housing for easy filter inspection. Tested to NSF/ANSI 42, 53, and 61 standards, and compliant with FDA guidelines for performance and durability.
1500-Gallon Capacity (~6–12 months) – High capacity design delivers up to 1500 gallons of clean water before filter replacement is needed
Up to 1 GPM Flow Rate – Provides reliable flow suitable for drinking, cooking, and rinsing produce, consistent with standard under-sink systems
F3-BV Replacement Pack Included – Ensures continuous performance for up to one year. Individually sealed for freshness
iSpring 3-Stage Under Sink Tankless Water Filtration System, Bacteria and Viruses Removal, w/ Up to 1-Year Replacement Filter Set & Fridge Connection Kit (Model: US31-BV) (US31-BVF3I)
3-Stage Filtration Under the Sink – US31-BV uses a PP sediment stage, CTO carbon block, and a specialty CTO membrane to reduce sediment, chlorine, taste & odor, bacteria, and viruses.
Superior Quality – Built with high-quality components and a transparent first-stage housing for easy filter inspection. Tested to NSF/ANSI 42, 53, and 61 standards, and compliant with FDA guidelines for performance and durability.
1500-Gallon Capacity (~6–12 Months) – High capacity design delivers up to 1,500 gallons of clean water before filter replacement is needed.
Up to 1 GPM Flow Rate – Provides reliable flow for drinking, cooking, and rinsing produce, consistent with standard under-sink systems.
F3-BV & ICEK Included – Bundle includes F3-BV replacement filter pack for up to 1 year of clean water and the ICEK fridge connection kit to enjoy filtered water and ice directly from your refrigerator.
iSpring Tankless Under Sink Reverse Osmosis System, NSF 58 Certified, 500 GPD, Removes PFAS, Lead, Chlorine, Alkaline Remineralization, w/ 2-Year Replacement Filter Set (Model:RO500AK) (RO500AKF7)
Advanced Tankless RO Filtration – The RO500AK under sink reverse osmosis system delivers up to 500 gallons per day, reducing PFAS (PFOA/PFOS), lead, chlorine, fluoride, arsenic, calcium, sodium, and more.
3-Stage High-Efficiency System – Features a composite sediment and carbon block filter, a high-capacity RO membrane, and an alkaline remineralization filter that restores essential minerals for a balanced taste.
Space-Saving & Low Waste – Compact tankless design saves under-sink space and operates with an industry-leading 2:1 pure-to-drain ratio, reducing wastewater by up to 400% compared to traditional systems.
Smart Monitoring & Easy Maintenance – Built-in filter life indicators and quick-change filter design ensure worry-free maintenance and consistent water quality without complicated steps.
F7-RO500AK Filter Set Included – Comes with an up to 2-year replacement filter set (sediment carbon block RO membrane alkaline filter), keeping your system running at peak performance longer.
LittleWell 504KX10 1/4"x 1/4" Quick Connect Push Fitting Elbow Tube Connector, 0404UEX10 504KX10, Pack of 10 (0404UEX10 (504KX10))
1/4 IN. quick fitting for both ends. Push-fit technology Quick disconnection without the need for tools
iSpring F2WGB21BPFKS 2-Stage Whole House Water Filter Replacement Set, Compact 10” x 4.5” Filters for PFAS, Heavy Metals, Chlorine & Odor Reduction, SGS-Tested Media, Fits Standard Home Systems (F2WGB21BPFKS)
PFAS Filtration Tested by SGS – The FC15B-PF carbon block filter features high-performance media tested by SGS to reduce up to 99% of PFAS, including PFOA and PFOS, while also targeting VOCs and chemical byproducts without affecting beneficial minerals.
Removes Chlorine, Lead & Odors – The FG15B-KS GAC KDF filter reduces chlorine, lead, mercury, hydrogen sulfide, and unpleasant taste and odor, making it suitable for both city and well water that require chemical and heavy metal protection.
Removes Chlorine, Lead & Odors – The FG15B-KS GAC KDF filter reduces chlorine, lead, mercury, hydrogen sulfide, and unpleasant taste and odor, making it suitable for both city and well water that require chemical and heavy metal protection.
Compact Size, Full Performance – Designed for homes with limited space, these 10” x 4.5” filters deliver full performance at the point of entry. Each cartridge treats up to 50,000 gallons or lasts 6-12 months depending on water quality.
Peace of Mind Guaranteed – Backed by a 1-year limited warranty and lifetime technical support from our U.S.-based customer service team. We’re here to support you before and after your purchase.
Please Note – This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, pair with an iSpring Reverse Osmosis system—an excellent complement to any whole house water filter system.
iSpring F2WGB21BPF 2-Stage Whole House Water Filter Replacement Set for WGB21B-PF，Reduces up to 99% PFAS (PFOA/PFOS), 10” x 4.5” Filters, 1" Inlet/Outlet (F2WGB21BPF)
Targets Harmful PFAS Chemicals – The FC15B-PF carbon block filter is independently tested to reduce up to 99% of PFAS, including PFOA and PFOS, providing reliable protection from “forever chemicals” commonly found in municipal and well water.
Chlorine, Taste & Odor Reduction – In addition to PFAS, the carbon filter also reduces chlorine, VOCs, and unpleasant taste and odor, while the sediment filter captures rust, dirt, and sand to protect plumbing.
High Capacity & Long Lifespan – Each cartridge lasts up to 6 months or treats 50,000 gallons of water, depending on usage and water quality. Fits standard 10” x 4.5” housings in most home water filtration systems.
Peace of Mind Guaranteed – Backed by a 1-year limited warranty and lifetime technical support from our U.S.-based customer service team. Whether you’re buying your first system or replacing filters, we’re here to help before and after your purchase.
Please Note – This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, pair with an iSpring Reverse Osmosis system—an ideal complement to any whole house water filtration system.
iSpring F3-RO600 2-Year Replacement Filter Set for RO600BN & RO600ORB Tankless RO Systems with 2x FCF600 & 1x MRO600 (F3-RO600)
F3RO600 Replacement Filter Pack for RO600BN/RO600ORB: This complete filter set includes two FCF600 composite filters and one MRO600 RO membrane, specifically designed for the iSpring RO600BN tankless reverse osmosis system. Engineered to last up to 2 years, it delivers up to 600 gallons of purified water per day with an efficient 2.5:1 clean-to-wastewater ratio. Maintain optimal system performance and enjoy consistently clean, great-tasting water with every use
Multi-Layer Filtration Performance: The FCF600 filter combines sediment and carbon block filtration, helping to reduce rust, sand, silt, chlorine, and unpleasant taste or odor. The MRO600 RO membrane targets dissolved solids and contaminants down to 0.0001 microns
High-Efficiency & Long-Lasting: These filters are engineered for high water flow and efficiency. The FCF600 composite filter typically lasts up to 12 months, while the MRO600 RO membrane can last up to 24 months, depending on your water quality and usage
Quick and Easy Filter Replacement: The twist-and-lock design allows for tool-free installation and replacement. No need to shut off the water supply—just twist, remove, and replace. Designed for convenience and minimal maintenance
Safe Materials and Reliable Support: Constructed with food-grade, BPA-free materials for safe filtration. Backed by iSpring’s US-based customer support and a 1-year limited warranty when registered. Enjoy cleaner, better-tasting water with confidence
iSpring F3RCD100HC-T 2-Year Replacement Filter Pack for RCD100-THCW Countertop Reverse Osmosis System , Includes FPT100 x2, MCD100HC x1, 3 Pieces (F3RCD100HC-T)
VALUE BUNDLE FILTER PACK - A complete replacement filter pack for the iSpring RCD100-THCW countertop reverse osmosis system, including FPT100 ×2 and MCD100HC ×1, delivering up to a two-year filtration solution for consistent water quality and long-term value.
FPT100 COMPOSITE FILTRATION - Multi-layer PP sediment and activated carbon filtration reduces common contaminants such as sand, rust, particles, chlorine, and odors.
MCD100HC RO MEMBRANE PERFORMANCE - The core RO membrane of the system reduces up to 99% of over 1,000 contaminants.
EASY REPLACEMENT - Twist-and-lock design allows quick, tool-free filter changes.
TRUSTWORTHY SUPPORT - America’s favorite RO brand, backed by lifetime technical support in Atlanta, GA.