2 Pieces Swimming Pool Winterizing Plugs, Rubber Expansion Gel Plug 38mm/1.5in For Winter Swimming Pool Spa Pipe Fittings Maintenance Jiujiuso The product is shipped based on the color or size of the main image of the product page. Product Packing --- You will receive 2 swimming pool antifreeze caps. Size: about 38mm/1.5inch. Material --- The winterizing plug is made of high quality rubber, which has the highest expansion and good sealing performance, and can be used during a long time. Excellent performance --- After the pool is drained, the rubber stopper is used to block the hose to prevent water from entering the hose and causing freezing. Versatile ---Used as a rubber stopper to block the oil skimmer, return water and cleaning lines to prevent water ingress in winter. It is also possible to test the pressure of the swimming pool pipeline, or to stop the water flows in the swimming pool during the maintenance of the equipment. Specification: Item type: Extension sockets Material: Rubber Color: As shown in the picture Size: Approx 38mm / 1.5inch Package List: 2 x Extension Sockets