32mm Pool Winterizing Plug Rubber Stainless Steel Swimming Pool Winter Expansion Plug with Screw u3010Versatile Applicationu3011Designed as a pipe plug for winter pool maintenance,preventing pipe entry and protecting against freezing. Also useful for pressure testing and backflow prevention during equipment maintenance. u3010Durable Constructionu3011Made from high-quality rubber and stainless steel,ensuring stability and longevity. Cold-resistant design prevents slipping or shrinking,allowing for long-term use. u3010Easy Installationu3011Simply screw the plug into the return water inlet to effectively protect your pool pipes from damage and potential freezing. u3010Multipurpose Useu3011Suitable for above-ground and in-ground swimming pools,outdoor pools,kitchen and bathroom sinks,and small indoor pools. Can also be used as a pipe plug for connecting storage devices. u3010Prevent Pipe Burstsu3011These threaded plugs for pool return pipes help prevent pipe bursts during harsh winter conditions,ensuring your pool system remains intact. Specifications: Material: rubber stainless steel Size: large head diameter: 32mm,small head diameter: 27mm,applicable diameter: 32mm hole Package included: 1 x Pool Winterizing Plug