The 3M™ Aqua-Pure™ Whole House Large Diameter Stainless Steel Water Filter Housing SS12 EPE-316L filters all incoming water for your entire home or light commercial application. The housing can be used on both chlorinated (municipal) and non-chlorinated (well water) systems. Our SS12-EPE-316L housing provides unrestricted flow of up to 96 gpm with 2” NPT inlet/outlet connections.