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$8.99
$8.99
iSpring CU-A4 4-Stage 0.01 Micron Tankless Under Sink / Inline Drinking Water Ultra Filtration System for Sink
$232.99
$64.99
$100.99
cua4 membrane
$49.99
$80.99
water filter faucet
$59.99
countertop water filter cartridge
$39.99
ispring drain saddle
$15.99
$26.99
$10.99
FC15BX4 4.5x10 in. 5 micron Carbon Block (CTO)
$133.99
$25.99
ispring ro filter wrench
$17.99
$160.99
LittleWell 0402MEX2 (4042KX2) 1/8" NPT 1/4" Quick Connect Fitting Male Elbow, 0402MEX2 4042KX2, 2 Pack (0402MEX2 (4042KX2))
  • The 90-degree male elbow angle allows for tight fits on the membrane housing.
  • The 1/4" quick connect fitting fits standard 1/4" tubing used on most RO systems.
  • The 1/8" threaded end connects directly to most membrane housings.
  • $8.99
    LittleWell 0404UMJX2 (M22X2) 1/4" MNPT x 1/4" MNPT Straight Connector, Pack of 2 (0404UMJX2 (M22X2))
  • Suitable for use with Pex, CPVC, and Copper pipe.
  • Lead Free and Non Toxic.
  • 1/4" x 1/4" M NPT.
  • $8.99
    iSpring CU-A4 4-Stage 0.01 Micron Tankless Under Sink / Inline Drinking Water Ultra Filtration System for Sink
    iSpring CU-A4 0.01μm Ultra-Filtration Under Sink Water Filter System, Tankless 4-Stage High Capacity, Remove 99.99% Contaminants, Quick Filter Change with Brushed Nickel Faucet, White (CU-A4)
  • SUPERIOR PERFORMANCE: The advance 4-stage design, which includes both Ultrafiltration and KDF/GAC stages, removes up to 99% of PFAS, chlorine and chlorine treatment by-products, lead, arsenic, and much more, while retaining minerals. Noted: This system is NOT a Reverse Osmosis water filtration system and does NOT lower TDS.
  • 4-Stage ULTRA FILTRATION SYSTEM: PP Sediment Filter ((5 microns) removes larger particles like rust, sand, dirt. ) Ultra Filtration Filter (contains hollow fiber membrane technology with a pore size of just 0.01 microns. ) KDF and GAC Filter (provides much better control of particularly problematic contaminants including chloramine, hydrogen sulfide, heavy metals, and other compounds). Fine Activated Carbon Filter (provides final polishing).
  • SIMPLE AND FLEXIBLE: NO WASTE WATER and No storage water tank required. The CU-A4 provides highly effective water filtration for any number of clean water needs - at the sink, in the refrigerator, for coffee makers and more.
  • FEATURES: Come with premium brushed nickel finish drinking water faucet. All filters, tubing and other water-contacting parts are manufactured to comply strictly with NSF/ANSI standards for safety and water quality.
  • EASY-TO-INSTALL AND REPLACE FILTER: Push to connect fittings with color-coded tubing simplify the installation process. Filter replacement are designed for ease. No need to disconnect hoses or water lines. Just Twist On / Twist Off filter cartridges make changing filters a snap. Filter life: 6 -12 months, depending on your source water and usage.
  • $232.99
    iSpring F3-CUA4 replacement set, Fits CU-A4 Ultra Filtration 3-piece Filter Pack for 6-month Supply (F3-CUA4)
  • Three-piece filter pack including (1) PP sediment filter, (1) KDF+GAC filter, and (1) AC filter. Change every 6 months
  • 1st Stage: 5 Micron sediment filter removes rust, sand, and solid impurities in the water to protect the delicate UF membrane.
  • 3rd Stage: KDF media (or Kinetic Degradation Fluxion Media) with activated carbon.
  • 4th Stage: Post Activated Carbon Filter. Adopting coconut shell activated carbon with ultra-micron aperture, this carbon filter absorbs residual chlorine and odor.
  • 30-Day money back and 1-year satisfaction guarantee. Free lifetime tech support from our Atlanta base
  • $64.99
    iSpring F4-CUA4 Replacement Pack for 4-Stage Ultra Filtration System CU-A4, Sediment, UF, KDF, and Activated Carbon Filter, 4pcs (F4-CUA4)
  • 1st Stage: 5 Micron sediment filter removes rust, sand, and solid impurities in the water to protect the delicate UF membrane.
  • 2nd Stage: UF Hollow Fiber membrane that uses standard home water pressure to push water through a semi-permeable membrane.
  • 3rd Stage: KDF media (or Kinetic Degradation Fluxion Media) with activated carbon.
  • 4th Stage: Post Activated Carbon Filter. Adopting coconut shell activated carbon with ultra-micron aperture, this carbon filter absorbs residual chlorine, and odor.
  • $100.99
    cua4 membrane
    iSpring FUF1 Ultra Filtration UF Membrane, Fits CU-A4 (FUF1)
  • UF membrane: 0.1 micron
  • Unique swivel-valve, push-button assembly allows for DIY replacement installation
  • Capable to work at low water pressure
  • Individually wrapped
  • $49.99
    iSpring ATRF500 Transformer for 400/500 GPD RO System Booster Pump, 100-240VAC 2.5A to 36VDC 3.33A, fits RCS5T (pump #PMP500 sold separately) (ATRF500)
  • Boosts pressure up to 80 psi
  • Can be mounted in several positions
  • Safe power operation with low energy consumption ( low Voltage - 36 volt)
  • Transformer is not included; 3/8 inch fitting
  • Works with 500Gpd 400Gpd ro systems. Compatible with most reverse osmosis systems in the market
  • $80.99
    water filter faucet
    iSpring GA1-AW Reverse Osmosis Faucet, Lead-Free Contemporary Drinking Water Faucet for RO Systems, High Spout, Antique Wine Finish (GA1-AW)
  • 100% lead-free RO drinking water faucet; an ideal upgrade for under sink water filtration systems, Reverse Osmosis water filtration systems and bar sinks.
  • 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 operation. Deliver clean and fresh water to you and your family.
  • European designer faucet with a graceful curve and a sleek look; sophisticated antique wine finish adds beauty to your kitchen.
  • Easy and leak-free installation; front washer pre-installed underneath the metal plate; mounting hardware included. Drink clean, crisp water out of your tap every time you turn it on.
  • 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.
  • $59.99
    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 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 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
    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
    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 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 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 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
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