What is a 20″x4.5″ GAC Water Filter? The Membrane Solution Whole House Granular Activated Carbon Filter removes major contaminants from your water supply and provides clean water for drinking, showering, cooking, and other home uses. The GAC removes major water contaminants like Chlorine, Total Organic Carbon (TOC), Pharmaceuticals, Turbidity, Volatile Organic Chemicals (VOC), Industrial Solvents, Organic Pollutants & Toxicants, and Chemicals causing bad tastes, odors, and more. With these replacement filters you can shower without harsh chlorine, give healthier water to your pet, extend the life of your dishwasher, laundry machine, washing machine, other appliances, and reduce your energy cost. Membrane Solution Replacement Filters: Membrane Solution has all your whole house filtration needs covered. Choose from a variety of filter options, all designed to meet the highest filtration standards. Whole House Water Filter System: Reduce harmful impurities from your entire home’s water with Membrane Solution’s 3 Stage whole house water filtration system and easy to replace water filter replacement cartridges. Easy to Replace Water Filter Cartridges: All Membrane Solution whole house water filter replacement cartridges are designed for quick and easy replacement to keep your system up and running. Granular Activated Carbon Water Filter: Efficiently arranged carbon granules maximizes filtration surface area in your whole home water filtration system. Coconut shell carbon provides an added layer of water filtration with the freshest taste. Universal Standard Size Water Filters: Take the guessing out of replacing your water filters. Membrane Solution’s whole house replacement filters fit all standard 4.5″ x 20″ whole home water filter system housings. Long Lasting Water Filtration: Granular Activated Carbon replacement water filters have a life cycle of 40,000 gallons or 6-12 months depending on incoming water quality, providing your home with reliable whole home water filtration. High Quality Whole Home Water Filter: Membrane Solution’s GAC replacement filter means no more worrying about your home’s water. With specially engineered high flow filtration you can have crisp clean drinking water from any faucet with no drop in your water pressure. Reliable Water Filtration: Help your business prevent costly build up of rust and other damaging sediments, give healthier water to your pets, extend the life of your home appliances, reduce the energy cost, and more with Express Water’s whole home filtration systems. The Best for Your System. Our efficient high capacity Activated Carbon filter improves the purity and taste of your water and gives you the best value from your filters. Standard 20 size fits most whole house filters, high capacity systems, UV, and Purifiers. The life of your filter will depend on the quality of your water. On average each filter is good for up to 40,000 gallons or 6-12 months of use. Our high flow design can supply up to 0.25 gallons per SECOND. Compatible with systems from. 3M, APEC, Aqua-Pure, Aquasana, Culligan, Costway, DuPont. GE, Geekpure, Glacier Bay, Global Water, Olympia, Pentek. Smart Aqua Life, The Perfect Water, US Aqua, Whirlpool, etc. All mentions of brand names or model descriptions are made strictly to illustrate compatibility. All brand names are registered trademarks of their respective owners. For ClearChoice 84642, 84641, Pelican CB-BB-20, Pentek 155783-43, EPM-20BB, CBC-20BB, Trojan CB-BB-20, iSpring FC25B, Hydronix CB-45-2005, CB-45-2010, Watts WCBCFF20. For BLUONICS BLCTO20X2, BLCTO20X4, ClearChoice CCS031, Express Water FLTWH2045C, FLTWH2045C02, Geekpure BC20-BB-5, Harmsco HAC-BB-20-W, iSpring FC25BX4, KX Matrikx 32-450-20-GREEN, KX-MATRIKX-CTO2-HD20, Pentek 255678-43, EP20-BB, Purenex 2C-20BB, Ronaqua 2C-20BB, 6C-20BB, RA-2CTO-20BB, Tier1 EP5-20BB, FHR-20-45-CARBON-KIT, COMIN16JU023031, Water Filters Depot (WFD) WF-CB205-BB, Wholesale Market LLC BBCTO-20B4, CTO20B4, MAX WATER USA Inc. Activated Carbon Block Replacement Filter Size: 4.5″ x 20″. Filtration Size: 5 Micron. Max Temperature: 100°F (38°C). Material: Polypropylene Shell and Coconut Husk Carbon. Life Cycle: We recommend replacement every six months or earlier depending on the quality of your incoming water. Number of Filters: 1-6 PACK. 1X 20″x4.5″ GAC Water Filter. 2X 20″x4.5″ GAC Water Filters. 4X 20″x4.5″ GAC Water Filters. 6X 20″x4.5″ GAC Water Filters. 8X 20″x4.5″ GAC Water Filters. 10X 20″x4.5″ GAC Water Filters. 12X 20″x4.5″ GAC Water Filters. Not all of the filters are included in the package, please choose the quantity you need in the selection. After you received them. Returning items should include original package, invoice, accessories. Membrane solutions was established in the United States in 2006 and is headquartered in Texas. Committed to the research and development and production of microfiltration, ultrafiltration and reverse osmosis membranes and water purification products. Membrane solutions is committed to. Offering our customers exceptional selection and value. Providing the highest quality of service and products in the water treatment industry. Satisfying our customers with superior quality water filtration products that will lead to a healthier lifestyle. F you have any problem of the goods, please. Promise we will try our best to deal with your problem. We appreciate your patience and supports. Thank you for choosing us and have a great day!