iSpring
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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.
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 four 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 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.
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.
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
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 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 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 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.
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.
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 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