IPEX 123272 Backwater Valve With 16 in Access Sleeve and ABS Lid, 2 in, Hub, ABS Body, Domestic

These devices offer effective protection against backflow of sewage and storm water into homes and businesses. The valve body design has minimal slope, making it ideal for new installations and retrofits. The Backwater Valve features a patent pending flapper, designed to smoothly guide cleaning and surveying equipment.