20 x 4.5 inch 5 Micron Big Whole House Water Filter CTO Activated Carbon Fi

[Premium & Reliable Material] Made of pure coconut shell carbon block and wrapped in food-grade fabric layers, the CTO activated carbon water filter effectively blocks contaminants larger than 5 microns from entering the water. Tested by independent third-party to meet NSF 42 Standards for material safety. [Real 98% Filtration Efficiency] 5 micron water filter carbon cartridge adsorbs up to 98% of residual chlorine, removes tastes and odors like sulfur and chlorine smell, colors, significantly improving water quality. Use this whole house charcoal water filter with sediment filters in the 20inch x 4.5inch household water system to protect the water softener and home appliances, or use them after an inline sediment filter to purify well water or rainwater. [High Flow Rate and Long Service Life] This 20-inch water filter has a large filtration area and a high flow rate of up to 15 GPM, which can meet the water needs of your whole house. To achieve optimum performance, we suggest to replace it every 3-6 months depending on your water quality. [Universal Size] This 4.5×20 water filter compatible with most 20-inch x 4.5-inch (inner diameter) big filter housings such as DB20, DB20P, WGB32B, WGB22B WGB12B, HB28B, Geek-Pure BB-20T, BB-20B, 150233, 166201, etc. Ideal replacement for 20-in filter cartridges like FC25b, EPM-20BB, EP-20BB, CBC-20BB, Hydronix CB-45-2005, and CB-20B. Rubber washers on both ends ensure a tight seal. [Versatile Application] It can be used for well water or city water, suitable for various scenarios such as home, office, farm, restaurant, etc.