iSpring FC15B High Capacity Activated CTO Carbon Block Filter Replacement Cartridge for Under Sink and Whole House Water Filtration System, 5-Micron 10"x4.5"
Used as the second stage for iSpring Direct Connect under sink water filter system US21B and iSpring whole house filtration system WGB21B or the first stage of iSpring whole house filtration systems WGB21BM and WGB21B-PB. The carbon block filter consists of high-quality activated carbon. It is effective in reducing free chlorine, bad taste, odor, THM, organics, hazardous chemicals, and more. Depending on source water quality or flow rate, it needs to be replaced every 6 months or about 50, 000 gallons of water. Each filter is individually sealed to keep freshness. Fits models using standard 10" x 4.5" water filters.

iSpring FP15B Sediment Filter Replacement Cartridge for Whole House Water Filtration Systems, High Capacity 5-Micron Premium PP, 4.5" x 10", White
iSpring sediment filters are manufactured to comply strictly with FDA standard (CFR - Part 177) and tested by independent third party against NSF/ANSI standard for material safety and water quality. (NSF/ANSI 42, by NSF International, 10/2018)A combination of a sparse layer, compaction layer, and precision layer ensures this iSpring premium 5-micron polypropylene sediment filter captures dirt, sand, silt, dust, rust, and scale particles effectively. Combining with other filters such as CTO filter(FC15B), iSpring fine PP sediment filter not only brings clean and refreshing water to every faucet in your home but also helps to prolong the lives of your appliances and protects plumbing from sediment and scale buildup. With affordable pricing, solid quality, prompt delivery, and top notch customer service, we hope to assist in bringing you great water for years to come.