Top 9 ISpring Whole House UK – Replacement Under-Sink Water Filters

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1. iSpring

ISpring F2WGB21B Whole House 4.5"x10" Water Filtration Big Blue High Capacity Sediment and CTO Carbon Block Water Filter Replacement Cartridge Pack Set for WGB21B

iSpring - Highly activated carbon block cto filterusing high quality coconut shell carbon and highly compact fabrication tech, removes up to 99% of chlorine, iSpring CTO filterFC15B knocks out cloudiness as well as bad tastes and odors, and is highly effective on VOCsVolatile Organic Compounds like pesticides, herbicides, and industrial solvents and other contaminants like trihalomethanes.

Replace the filters every 3-6 months to achieve optimal performance. Great compatibilitythis filter pack consists of 1x 10"x4. 5"sediment filterFP15B and 1x 10"x4. 5" cto filterFC15B. Individually wrapped for freshness. Fits standard 10" big blue whole house water filtration systems. Premium quality material and multi-layer density techcomplying strictly with fda standard cfr-part 177 and tested by independent third party against NSF/ANSI standardNSF/ANSI 42 for material safety and water quality, silt, sand, iSpring premium 5-micron polypropylene sediment filterFP15B captures dirt, rust, dust, and scale particles and extends the life of CTO carbon block filter.

Peace-of-mind customer supportyour risk-free shopping experience is backed by a 30-day money-back guarantee, extended manufacturer warranty, and lifetime tech support from iSpring in Alpharetta, GA at 678 261-7611. The polypropylene construction provides superior chemical resistance and is not prone to bacterial attack. Exceptional filter lifethis filter pack can filter up to 15, 000 gallons depending on the use and feed water quality. Fine pp sediment filter and premium quality cto filter not only bring clean and refreshing water to every faucet in your home, but also help prolong the lives of your water-using appliances and protect plumbing from sediment and scale buildup.
ManufactureriSpring Water Systems
Height11.43 cm (4.5 Inches)
Length25.4 cm (10 Inches)
Weight1.36 kg (3 Pounds)
Width11.43 cm (4.5 Inches)
Part NumberF2WGB21B

2. iSpring

White, iSpring F2WGB22B 4.5” x 20” 2-Stage Whole House Water Filter Replacement Pack Set with Sediment and Carbon Block Cartridges, Fits WGB22B

iSpring - Top-notch quality the first stage high capacity polypropylene sediment filter is able to achieve filtration down to 5 microns. Peace of mind customer service register online to activate your manufacturer warranty and life-time free tech support from U. S. Both are tested by an independent third-party to meet NSF/ANSI standards.

Unlike an ro membrane, the filters don’t reduce Total Dissolved Solids TDS, and instead keeps healthy minerals in your water. Local support team. Protect your family and household appliance from sediment, bad tasting water! Our filters are specially designed to remove up to 99% of chlorine from water as well as sediment, VOCs, herbicides, rust, pesticides, and More Say goodbye to smelly, industrial solvents, chlorine, and various other contaminants. Our filter set fits standard 20” x 4.

5” housings, including brand name models. If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis RO systems. Both filters have a capacity of 100, 000 gallons of water, enough to supply a family of four with clean water for a full year. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately. For well/pond water with very high iron/manganese please contact us for customized solutions.
ManufactureriSpring Water Systems
Height11.43 cm (4.5 Inches)
Length50.8 cm (20 Inches)
Weight2.9 kg (6.4 Pounds)
Width22.86 cm (9 Inches)
Part NumberF2WGB22B

3. iSpring

20 x 4.5 Inch, 5 Micron / 4 Pack, White, iSpring FP25BX4 20" Big Blue Whole House Water Filter 4.5" x 20" Sediment-Pack of 4

iSpring - Sold in 4 pieces pack. Made of 100% melt-blown Polypropylene, 4-layer filtration. Fits 20" big blue water Filter Housings, such as Culligan whole house filter. 4. 5" dia x 20" Length. Individually wrapped for freshness.
ManufactureriSpring Water Systems
Height53.59 cm (21.1 Inches)
Length23.88 cm (9.4 Inches)
Weight3.18 kg (7 Pounds)
Width23.88 cm (9.4 Inches)
Part NumberFP25BX4

4. AO Smith

Salt Free Descaler System for Home, 600,000 Gl, AO-WH-DSCLR, AO Smith Whole House Water Softener Alternative, Works with City & Well Water Filters, 6yr

AO Smith - International products have separate terms, including fit, are sold from abroad and may differ from local products, and language of product, age ratings, labeling or instructions. Works for all your water needs - system works effectively on water for use in drinking, cooking, showering & bathing. Perfect for households of 4 or more people. Well or city water - our whole House Descaler is engineered to work with both well & city water systems. System will not reduce TDS.
BrandAO Smith
ManufacturerAO Smith
Height23.5 cm (9.25 Inches)
Length76.2 cm (30 Inches)
Weight5.44 kg (12 Pounds)
Width23.5 cm (9.25 Inches)
Part NumberAO-WH-DSCLR

5. Express Water

3 Stage Home Water Filtration System, And 1 Inch Connections, Charcoal, Express Water Whole House Water Filter, Sediment, Easy Release, Carbon Filters Includes Pressure Gauges

Express Water - Don't waste time on maintenance - Our quick and easy to understand design means you can swap out filters quick and easy. Clearly easy - a clear first stage housing lets you easily monitor your system and see when you need to replace your filters.

All our filters are specially engineered to work together, producing the safest water for home use. Exactly what you need - get clean water from any faucet. Quality guaranteed - rest easy with our 1 year warranty on all Express Water Systems and free lifetime support. Take the contaminants out of your home - drink from any faucet without fear when we remove Chlorine, Silt, Cloudiness, Volatile Organic Chemicals VOC, Rust, Dirt, Sand, Insecticides, Herbicides, Turbidity, Pesticides, and Odors.
BrandExpress Water
ManufacturerExpress Water
Height76.2 cm (30 Inches)
Length59.69 cm (23.5 Inches)
Weight28.12 kg (62 Pounds)
Width21.59 cm (8.5 Inches)
Part NumberWH300SCGS

6. Express Water

Express Water Kinetic Degradation Fluxion Replacement Filter Kdf Catalytic Carbon Large Capacity Water Filter Whole House Heavy Metal Filtration 4.5 X 20 Inch

Express Water - High standard filtration - verified by independent laboratory testing to meet NSF / ANSI 58 Standard. Universal standard size - kinetic degradation Fluxion KDF Filter, 4.

5 x 20 size fits all standard 20 filter housings. Take the contaminants out of your home - drink from any faucet without fear when we remove Iron, Nickel, Chlorine, Algae, Sulfur, Cadmium, Lead, Arsenic, Hydrogen Sulfide, Fungi, Mercury, Chloramine, Microorganisms, Viruses, and Aluminum. Made to last - airtight vacuum sealed packaging prevents spoiling of your filter. The best filtration - catalytic carbon and high purity ionically charged copper and zinc granules create full coverage filtration which means your filter lasts longer.
BrandExpress Water
ManufacturerExpress Water
Height11.43 cm (4.5 Inches)
Length50.8 cm (20 Inches)
Weight2.72 kg (6 Pounds)
Width11.43 cm (4.5 Inches)
Part NumberFLTWH2045K

7. iSpring

Reusable with Touch-Screen Auto Flushing Module and Built-in Housing Scraper, 50 Micron, Brass Top Clear Housing, iSpring WSP50ARB Spin Down Sediment Water Filter

iSpring - Pressure-resistant and durable materials Lead-free brass machine head, 50-micron food grade stainless steel mesh filter screen, and explosion-proof transparent housing. Auto flushing integrated auto flushing moduledual power supply with scraper saves time and effort on routine maintenance.

Wsp series can be used for waste water treatment by spin down the sediment. Works well with copper, PEX, and CPVC pipes. Two types of threads on both two ends of connectors: 1-inch MNPT and 3/4-inch FNPT. High flow rate provide a maximum flow rate of 25 gpm. Flushable and reusable the whole house spin down sediment water filter is used to create a multi-layer gradient filtration system taking considerable workload off finer filters that follow it and result in a longer filter life.

Easy installation no welding or glue needed. Choose from auto, semi-auto, and manual on HD touch screen to enable the system to flush automatically on a preset schedule. As a larger, wsp50arb filters out particulate, rust, sediment, upgraded version of WSP series, and floating objects.
ManufactureriSpring Water Systems
Height10.16 cm (4 Inches)
Length35.05 cm (13.8 Inches)
Width12.7 cm (5 Inches)
Part NumberWSP50ARB

8. iSpring

Pressure Gauge, iSpring RCS5T Commercial Tankless Reverse Osmosis RO Water Filter System with 1.5:1 Pure to Drain Ratio

iSpring - 5th stage removes chlorine, pesticide residues, chlorine, tastes to improve the quality of drinking water.4th stage ro membrane removes heavy metals, sand, etc. Built in booster pump increases the production of purified water by raising the water pressure and maximizes RO production rate to the optimal level for the reverse osmosis process.

Great for light commercial in Restaurants, Salons, and Offices all benefit in their ways from high-quality RO water. Great capacity: advanced 500gpd membrane saves 60% of water, labs, with low WASTE 1. 5:1 pure to drain water ratio. Clear see-through 1st stage housing makes filter inspection a snap.

5-stage filters: 1-3rd stages remove rust, disinfection byproducts and odor. Features: come with sliver chrome drinking water faucet with 360° free swivel and Easy to Read Water Pressure Gauge. Easy-to-install and replace filter: typically, in a couple of hours with industry-leading help just a phone call away with well-organized instructions and videos. High efficiency booster pump: no worries for low water pressure.
Height45.72 cm (18 Inches)
Length35.56 cm (14 Inches)
Width27.94 cm (11 Inches)
Part NumberRCS5T

9. iSpring

ISpring RCC7AK 6-Stage Reverse Osmosis Drinking Water Filter System with Alkaline Remineralization-Natural pH, White, NSF Certified

iSpring - Certified to nsf/ansi 58: 6-stage alkaline remineralization layered filtration - exclusively designed to restore the natural alkalinity and mineral balance of water; this reliable and ultra-safe Reverse Osmosis RO water filtration system converts your water into clean, fluoride, lead removes up to 98%, asbestos, calcium, arsenic, pure and healthy drinking water by removing up to 99% of over 1, 000 harmful contaminants like chlorine, sodium and more.

100% satisfied customers: rcc7ak from america’s favorite brand of under sink water filter is the highly rated reverse osmosis systems. Three extra long life pre-filters to remove large contaminants and protect RO membrane. For leak-free installation, simply push tubing ½ inch deep into quick-fitting connectors and lock; no threading pipes needed. 0 or below because the ro membrane removes not only harmful pollutants but also a few helpful minerals. The ispring rcc7ak reverse osmosis water filter includes an additional 6th stage - an Alkaline Remineralization filter which restores healthy minerals and produces a balanced alkalinity, which gives your water a more natural taste than regular 5 stage RO water filter.

Backed by clear installation manual, instructional videos, and access to life-time technical support. 0001 microns; fine gac filter to provide final polishing to the purified water and AK filter to finally restore just the right proportion of healthy minerals and a natural alkaline balance. Low maintenance:transparent 1st stage housing for easy visual inspection. Great-tasting mineral water:a standard 5 stage ro system produces slightly acidic water with a ph of 7.
Height46.99 cm (18.5 Inches)
Length36.83 cm (14.5 Inches)
Weight9.07 kg (20 Pounds)
Width13.34 cm (5.25 Inches)
Part NumberRCC7AK