Help protect your swimming pool this winter with the Swimline Hydrotools threaded plug. Works with swimming pool skimmers, pool water returns and filters. 1-1/2 in. Threaded plug secures tightly. 3/16 in. Thick rubber O-ring helps to provide an excellent seal.

• Comes with O-ring
• Fits 1.5 in. threaded fitting
• Can be used to plug returns
• Easy to use