Two 20" Big Blue Whole House Water Filters w/Sediment & Carbon with CLEAR BLUE TRANSPARENT HOUSINGS Replacement filter package for this system is Amazon item B01F0EUL36 1" Brass Inlet / Outlet With Clear Blue Transparent Housings Excellent to remove Sediment, 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 Cartridges, Wall Brackets and Housing Wrenches.