Whole House filter 20" x 4.5" TRIPLE Water System - Excellent to remove Chlorine, Odors and many other chemicals and contaminants. Effectively eliminates many impurities from tap water to offer sparkling clean and great tasting water throughout your whole house. Complete Systems with Filter Cartridge, Wall Bracket and Housing Wrench. Standard size filter 4.5”x 20 5 Stage Reverse Osmosis System Water Filter - Deluxe with Bio-Activated Carbon and Foam Carbon Filter - 100GPD Membrane, 285L Drinking Water Daily, Ecological with NSF without BPA