iSpring
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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.
LittleWell 0404MRTX2 (7544KX2) 1/4" Quick Fitting to 1/4" Quickfitting to 1/4" MNPT TEE Fitting, 0404MRTX2 7544KX2, Pack of 2 (0404MRTX2 (7544KX2))
1/4" OD x 1/4" OD x 1/4" NPT 2 fittings included.
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.
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
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.
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
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
iSpring F3WGB31B Whole House Water Filter Replacement Pack with Sediment and Carbon Block Filters, Reduces up to 99% Chlorine, Sediments, Taste, Odor, Up to 12 Months, 4.5” x 10”, Fits WGB31B (F3WGB31B)
Chlorine-Free, Pure Water – This replacement filter set for the iSpring WGB31B whole house water filter includes a 10" x 4.5" sediment filter (FP15B) and two CTO carbon block filters (FC15B) — removing up to 99% of chlorine, along with sediments, rust, tastes, odors, herbicides, and more for clean, odor-free water.
Built to Last – Designed for durability, this water 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.
Individually Sealed for Freshness - Each cartridge arrives factory-wrapped to preserve cleanliness and peak performance; simply remove the wrap before installation
Peace of Mind Guaranteed – Backed by lifetime U.S.-based technical support. We’re here to assist you every step of the way as you replace filters and keep your whole-house system performing at its best.
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 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.
iSpring FPT100 Replacement Filter for RCD100-THCW Countertop Reverse Osmosis System, Composite Water Filter, with PP Sediment and Activated Carbon, Replacement Cycle: Up to 12 Months (FPT100)
DEDICATED REPLACEMENT FILTER - Designed for the iSpring RCD100-THCW countertop reverse osmosis system.
COMPOSITE PP & ACTIVATED CARBON FILTRATION - Multi-layer PP sediment and activated carbon filtration reduces common contaminants such as sand, rust, and chlorine for clean drinking and cooking water.
LONG-LASTING PERFORMANCE - Provides up to 12 months of effective filtration, depending on source water quality and daily water usage.
EASY FILTER REPLACEMENT - Twist-and-replace design enables quick, tool-free filter changes, making maintenance simple and hassle-free.
TRUSTWORTHY SUPPORT - America’s favorite RO brand, backed by lifetime technical support in Atlanta, GA.
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.
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 NS15 Reverse Osmosis Membrane Housing, Fits RCS5T, Comes with 4046K-O x1 & 4044K-O x2 (NS15)
10" White RO membrane housing.
Fits iSpring RCS5T.
Comes with 4046K-O x1 & 4044K-O x2.
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
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)
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.
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.
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.