Effective in purifying drinking water instantly! Removes a wide range of contaminants. Three Stages of filtration in 20 housings. 3/4 NPT in & out for big flow. Pressure release valve (allows for release of built-up pressure when changing filters). Cartridges 2.5″ x 20″ (one set of three is already included: 1 Sediment + 2 CTO Carbon Filters). Opening spanner (for 20 filter housings). 5 micron 20 high-capacity polypropylene sediment filter #FP25 — removes dust, particles, and rust. Tested by independent third-party to meet NSF/ANSI Standard. Carbon Block 5 Micron 20” #FC25 — gets rid of unpleasant chlorine, tastes and odors, cloudiness and colors. Carbon Block 5 micron 20 #FC25 — gets rid of unpleasant chlorine, tastes and odors, cloudiness and colors. Water Source: Chlorinated or non-chlorinated water supplies. Feed Water pH: 3.0 -11.0. Feed Water Pressure: 40-95 psi. Feed Water Temperature: 40-100 F (4 – 38 C). Max Total Dissolved Solids: 2500 ppm. System Package Dimensions(inch): 17w x 7d x 26.4h. System Package Weight : 28 lbs. For filter cartridge replacement schedule and price, see #F3WCB32-O. The item “ISpring #WCB32-O 3-Stage 20 inch x 2.5 inch Whole House Filtration System 3/4NPT” is in sale since Thursday, January 18, 2018. This item is in the category “Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Filters”. The seller is “ispringwatersystems” and is located in Alpharetta, Georgia. This item can be shipped to United States.