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FC15BX4 4.5x10 in. 5 micron Carbon Block (CTO)
$133.99
$29.99
$160.99
$41.99
ispring ro filter wrench
$17.99
$229.99
$535.99
countertop water filter cartridge
$39.99
$25.99
$109.99
iSpring HC14-2PP Clear Housing, 1/2
$41.99
iSpring GK1-AW Lead-Free Faucet for RO Systems and Drinking Water Filtration Systems, Contemporary Coke-Shaped Style
$49.99
iSpring GK1-ORB Lead-Free Faucet for RO Systems and Drinking Water Filtration Systems, Contemporary Coke
$49.99
$5.99
$41.99
reverse osmosis tank replacement
$70.99
$73.99
ispring drain saddle
$15.99
$10.99
$26.99
FC15BX4 4.5x10 in. 5 micron Carbon Block (CTO)
iSpring FC15BX4 4.5x10 in. 5 micron Carbon Block (CTO) Water Filter Replacement Cartridge for Under Sink and Whole House Water Filtration Systems, Pack of 4 (FC15BX4)

Using quality coconut shell carbon and highly compact fabrication tech, this activated carbon block CTO(Chlorine, Taste, and Odor) filter cartridge is designed and produced to achieve filtration efficiency and long filter life for 10" Whole House and Undersink Water Filtration Systems. Free of surfactants, binders, and adhesives. No leaching carbon ash.

Knocks out cloudiness as well as bad tastes and odors, removes up to 99% of chlorine, and is effective on herbicides and industrial solvents and other contaminants like trihalomethanes. Steady flow and high absorption.

Each cartridge filters up to 50,000 gallons depending on the use and feed water quality. Replace the filter every 6 months or every 50,000 gallons of water for ideal performance, depending on the quality of source water and daily water consumption.

Fits standard 10"x4.5" filters. Official 2nd stage Carbon Block replacement filter cartridge for iSpring under sink water filter US21B and whole house water filtration system WGB21B; 1st stage for WGB21BM and WGB21B-PB. All 4 cartridges are individually sealed for freshness.

Your iSpring shopping experience is backed by a 30-day money-back guarantee, extended warranty upon registration, and lifetime tech support from iSpring in Atlanta, GA at (678) 261-7611.


$133.99
iSpring 33-Stage High Output Shower Filter, Universal Shower Head Filter for Hard Water, 99% Removal of Heavy Metals, Chlorine & Sediment - Chrome (SF1S) (SF1S)
  • 33-Stage Shower Head Filter for Hard Water: Featuring a scientifically formulated process of 18 different filtration media in 33 stages, iSpring shower filters quickly remove up to 99% of chlorine, sediment, hydrogen sulfide, and water-soluble heavy metals. Its unique Never Clog design copes with hard water and prohibits limescale buildup.
  • Immediate Improvement in Skin, Hair & Nails: SF1S showerhead filter fights eczema, irritation, itchiness, or dryness, leaving you noticeably smoother skin, softer hair, and stronger nails. Water quality is further improved by nurturing elements like Vitamin C, which is released and added back to your shower water.
  • Cost-Effective with Extended Lifespan: At less than 10 cents per day, the iSpring shower head filter lasts 6 to 9 months - longer than most alternatives on the market. It’s an affordable and practical step toward a healthier lifestyle. Note: This model is designed specifically for use with FSF1 replacement cartridges and is not compatible with other types of shower filter cartridges
  • Easy Installation and Consistent Water Pressure: Tool-free design makes installation and cartridge replacement a breeze. Little impact on water pressure. In case the source water has high levels of sediment common with well water, once in a while simply flip the filter cartridge over and flush it with hot water to remove sediment built up, then set it back in its original position.
  • One Size Fits All, Universal Shower Head Filter: This stylish filter fits every standard ½” shower. Works beautifully with fixed, handheld, or rain shower heads. A must-have to protect yourself and your family from inhaling, absorbing, or consuming dangerous chemicals during each shower.
  • $29.99
    iSpring ED2000 Whole House Water Descaler, Alternative Electronic Salt-Free Hard Water Conditioner, Reduces Limescale Prevent Deposits Build-up, Different from a Water Softener (ED2000)
  • [Improve Water Quality] Solves hard water problems without the need for chemicals, salt, or maintenance, while keeping healthy minerals in the water by preventing scale deposits from forming and allowing existing scale to break down.
  • [Reliable Descaler] Descales your entire water system and prevents scale buildup in pipes. Reduces energy consumption with an average one year payback period. Great for your home and the environment, individuals on salt-restricted diets, and those looking for healthier skin and hair.
  • [Environmental Friendly] Designed for very hard water areas (10-19 grains per gallon). Saves energy and extends the life of your appliances.
  • [Easy Installation] No plumbing modifications required. Maintenance-free. Works on any pipe, even PEX and PVC. 1-year money-back and lifetime tech support from iSpring.
  • [No change on Chemistry of Water] Unlike salt water softeners, ED2000 does not change the chemistry of water.
  • $160.99
    iSpring FKG15Q Quick-Change Inline KDF/Carbon Filter, Fits CU-A4 Ultra Filtration System (FKG15Q)
  • Individually wrapped to keep freshness
  • Capable to work at low water pressure
  • 1/4" Quick-Change connections
  • $41.99
    ispring ro filter wrench
    iSpring AWR5N1 Multi-functional Water Filter Housing Wrench - For RO Membrane & Pre-filter Housings, 2712 Membrane Housings, ¼” Nuts (AWR5N1)
  • One Wrench for 5 Usages: The wrench can be used for reverse osmosis membrane housings, standard 10” RO pre-filter housings, 2712 membrane housings, ¼” nuts, and releasing the lock of quick fittings.
  • The wrench is made of solid plastic and contains 4 - 6 teeth that enable a firm grab.
  • Peace of Mind Customer Service: Register online to activate your manufacturer warranty and life-time free tech support. 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 wrench does not fit whole house water filter housings. If you need a wrench for whole house housings, please consider iSpring AWR3 filter housing wrench.
  • $17.99
    iSpring T20M 20 Gallon Pre-Pressurized Tank for Reverse Osmosis (RO) Systems with 14 gallons of Water Storage Capacity, 20, White (T20M)
  • [Keep Your Water Clean] The tank is made of FDA listed, food-grade materials (Tested by independent third-party to meet NSF/ANSI Standards).
  • [Large Capacity] The 14-gallons water storage capacity enables you to enjoy filtered water whenever you want (The tank stores 14 gallons of water and 6 gallons of air).
  • [Include everything you need] Shut-off valve, tank connector, and tank stand are included.
  • [Flexible position] The tank works efficiently in either vertical or horizontal position.
  • [Peace of Mind Customer Service] Register online to activate your manufacturer warranty and life-time free tech support. 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!
  • $229.99
    iSpring WGB32BM Whole House Water Filter System, Reduces Iron, Manganese, Chlorine, Sediment, Taste, and Odor, 3-Stage Iron Filter Whole House (WGB32BM)
  • Whole house water filter that protect your family and household appliance from iron, manganese and more: Our 3rd stage iron water filter (FM25B) is specially designed for iron and manganese removal, reducing iron (MAX 3.0 ppm) and manganese (MAX 1.0 ppm). The water filter lasts up to 3 times longer than greensand due to the catalytic media not being consumed in the process. This whole house water filter system also removes sediment, chlorine, rust, herbicides, industrial solvents, and more.
  • DIY installation and maintenance - refer to our manual and our helpful YouTube videos for easy DIY installation. With 1 in. NPT inlet / outlet and 20 in. x 4.5 in. water filter cartridges, WGB32BM whole home water filter system has minimum impact on water flow (up to 15 GPM) and requires minimum maintenance.
  • Top-notch quality - the first stage high capacity polypropylene sediment filter achieves filtration down to 5 microns. The second stage carbon block filter is made of high quality coconut shell carbon for maximum filtration efficiency and filter life. Both water filters are tested by an independent third-party to meet NSF/ANSI standards. Both water filters have a capacity of 100,000 Gal. of water, enough to supply a family of four with clean water for a full year.
  • Peace of mind customer service - register online to activate your 1-year 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 - this whole house water filter is installed at the main water supply line in order to treat all the water in your home; unlike an RO system, this whole house water filtration system will NOT reduce Total Dissolved Solids (TDS) and instead keeps healthy minerals in your water; if you are interested in a filter that removes TDS consider our iSpring Reverse Osmosis (RO) systems. The cartridges are individually wrapped to ensure freshness. Please unwrap the cartridges before use.
  • $535.99
    countertop water filter cartridge
    iSpring FCT10 Replacement Cartridge for CT10 Countertop Multi Filtration Drinking Water Filter Dispensers (FCT10)
  • A drinking water filter cartridge that combines dual-layered sediment filtration, activated carbon, KDF media, and calcite. Official replacement filter cartridge for iSpring countertop drinking water dispenser CT10.
  • Reduces sediment, dust, rust, particles, chlorine, lead, arsenic, heavy metals, and more. Also removes unpleasant chlorine taste and odor.
  • $39.99
    iSpring ASOF500 Auto Flush Solenoid Valve for RCS5T RCB4T Commercial RO (ASOF500)
  • Compatible with most Reverse Osmosis systems with Booster Pump (including brand names) in the market.
  • 36V DC
  • 3/8" Jaco fitting.
  • $25.99
    iSpring FPCM100 All-in-One Water Filter Replacement for RCD100SPKHC Sparkling RO Water Maker, 12-Month Lifespan (FPCM100)
  • All-in-One Multi-Stage Technology - Composite cartridge that integrates multiple filtration stages (PP sediment, activated carbon fiber, Reverse Osmosis membrane, and granular activated carbon) into a single unit.
  • Superior Contaminant Reduction - Effectively removes over 1,000 contaminants, including PFAS, TDS, microplastics, heavy metals, chlorine and more.
  • Quick and Tool-Free Replacement - Twist-and-lock design enables fast and easy filter changes.
  • Reliable and Long-Lasting Filtration - Provides consistent performance for up to 12 months.
  • $109.99
    iSpring HC14-2PP Clear Housing, 1/2
    iSpring HC14-2PP Clear Housing, 1/2" Inlet/ Outlet with 2X FP15 10" x 2.5" Sediment Filter (HC14-2PP)
  • Size: 1/2" Reinforced Inlet/Outlet Connectors
  • Fits 10"x2.5" Standard Filter Cartridges
  • 2 x FP15 Sediment Filter included
  • Tested by Independent Third-Party to Meet NSF/ANSI Standard
  • Lifetime support from iSpring in Atlanta, GA at (678) 261-7611
  • $41.99
    iSpring GK1-AW Lead-Free Faucet for RO Systems and Drinking Water Filtration Systems, Contemporary Coke-Shaped Style
    iSpring GK1-AW Lead-Free Faucet for RO Systems and Drinking Water Filtration Systems, Contemporary Coke-Shaped Style, High Spout, Antique Wine Finish (GK1-AW)
  • 100% lead-free RO drinking water faucet; an ideal upgrade for under sink water filters and most Reverse Osmosis water filtration systems.
  • Heavy duty non-air gap faucet with 360-degree free swivel and quarter turn handle; solid brass construction and durable ceramic disc provide trouble-free smooth operations. Deliver clean and fresh water to you and your family.
  • European designer faucet with a graceful curve and a classic coke-shaped design; elegant antique wine finish adds sophistication to your kitchen. Happily drink clean, crisp water out of your tap every time you turn it on.
  • Easy and leak-free installation; front washer pre-installed underneath the metal plate; mounting hardware included. May come with Compression Fitting upon your request.
  • Backed by a 30-day money-back guarantee and a 3-year manufacturer warranty upon warranty registration at iSpring. Lifetime tech support(678-261-7611) from Atlanta, GA, USA.
  • $49.99
    iSpring GK1-ORB Lead-Free Faucet for RO Systems and Drinking Water Filtration Systems, Contemporary Coke
    iSpring GK1-ORB Lead-Free Faucet for RO Systems and Drinking Water Filtration Systems, Contemporary Coke-Shaped Style, High Spout, Oil Rubbed Black (GK1-ORB)
  • 100% lead-free RO drinking water faucet; an ideal upgrade for under sink water filters and most Reverse Osmosis water filtration systems.
  • Heavy duty non-air gap faucet with 360-degree free swivel and quarter turn handle; solid brass construction and durable ceramic disc provide trouble-free smooth operations. Deliver clean and fresh water to you and your family.
  • European designer faucet with a graceful curve and a classic coke-shaped design; stylish oil rubbed black finish adds beauty to your kitchen. Happily drink clean, crisp water out of your tap every time you turn it on.
  • Easy and leak-free installation; front washer pre-installed underneath the metal plate; mounting hardware included. May come with Compression Fitting upon your request.
  • Backed by a 30-day money-back guarantee and a 3-year manufacturer warranty upon warranty registration at iSpring. Lifetime tech support(678-261-7611) from Atlanta, GA, USA.
  • $49.99
    iSpring 0606ME Male Elbow, 3/8" in NPT to 3/8" Quick Connect, White (0606ME)
  • The 90-degree male elbow angle allows for tight fits.
  • The 3/8" quick connect fitting fits standard 3/8" tubing.
  • The 3/8" threaded end connects directly to matched membrane housings
  • $5.99
    iSpring ICEK-FT15FA15 Universal Refrigerator Filter, Fridge Top Water Filter, 2-stage (ICEK-FT15FA15)
  • Removes sediment, chlorine, lead, mercury and other contaminants
  • Standard 10 inch replacement filter cartridge
  • Install with push-to-connect quick fittings
  • The upgraded post-filters and alkaline filters come with quick connections and fittings. Please attach the included fittings to the filters and connect the tubings to the fittings. You may discard the old compression fittings.
  • $41.99
    reverse osmosis tank replacement
    iSpring T55M 5.5 Gallon Residential Pre-Pressurized Water Storage Tank for Reverse Osmosis (RO) Systems (T55M)
  • 5.5 Gallon Metal Pressurized Tank with up to 4 Gallon Holding Capacity
  • Stainless Steel 1/4" NPT Valve Thread
  • Made from food-grade material (Tested by independent third-party to meet NSF/ANSI standard)
  • Discharges effectively in both vertical and horizontal position
  • Pre-pressurized between 7-10 psi for common use
  • $70.99
    ispring drain saddle
    iSpring ADS1K Clamp/Drain Saddle with Quick-Fitting #ADS1K, Black (ADS1K)
  • To be installed in the sink drain line to receive the waste water from the RO system
  • Features 1/4 inch quick-fitting
  • Nuts included. Made to fit on drain line between trap and sink basin
  • Compatible with most reverse osmosis systems (including Name brands) in the market
  • $15.99
    iSpring ABV1K Inline Ball Valve with Quick Fitting 1/4" to 1/4" fits most RO Water Systems (ABV1K)
  • 1/4 inch to 1/4 inch quick connect fittings.
  • No tools required.
  • Compatible with most reverse osmosis systems in the market.
  • Works as tank valve or water shut-off valve.
  • $10.99
    iSpring APR40 Pressure Regulator Filter Valve with 1/4" Quick Connect, 40 Psi, white (APR40)
  • Reduce pressure to 40Psi
  • Limits water pressure
  • 1/4 inch quick connect
  • Flow: 4 gallons per minute (15L/min) at 100 psi; maximum pressure: 300 psi; maximum temperature: 104 F (40 C)
  • $26.99
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