Watts RK 909-RC1 4 - Part of the RK-909 Series Window Well Extension making it resistant to tearing

making it resistant to tearing and punctures

12 inch fixed top

The Grate Lock clips inside the channel (or catch basin) and stays put

and elevator shafts

Sealed spring cage for accessible outdoor or pit installations

Watts RK 909-RC1 4 - Part of the RK-909 Series Window Well Extension making it resistant to tearingFeatures Factory Replacement Kit No special tools required for changing parts All parts are made of high quality materials Specifications Buy American Act Compliant NO Compatible Series or Model 909 Compatible Size Used On 4 IN Kit Contents Check Disc, Cover O ring, Lubricant Kit Type First Check Rubber Parts Kit Lead Free YES Product Group BACKFLOW KITS UPC 098268414585