#10 Rubber Expansion Plug Get ready for winter and keep pipes from freezing and bursting. Our winterizing plugs are made with soft rubber which allows for maximum expansion. They provide a tight seal even during expansion and contraction due to severe temperatures. They feature a tighter contour to make installation quick and easy and are available in 8 standard sizes to fit pipe from 3/4" to 2". Get ready for winter and keep pipes from freezing and bursting. Our winterizing plugs are made with soft rubber which allows for maximum expansion. They provide a tight seal even during expansion and contraction due to severe temperatures. They feature a tighter contour to make installation quick and easy and are available in 8 standard sizes to fit pipe from 3/4" to 2".
