4 x 1.5 Inch Pool O Ring Tube Caps - Protects from Frost, Ice Winter Antifreeze Plug, for Nozzles, Returns, Drains

Plastic material - the cap is made of durable plastic. It remains waterproof even after prolonged use. O-ring seal - The integrated O-ring ensures a high seal. Effectively protects against water and ice during the winter break. Easy to assemble – thanks to its threaded design, the plug can be quickly installed without tools in the inlet nozzle or water return. Frost protection - Prevents moisture from entering the pool line. Prevents cracks and frost damage in the cold season. Versatile - suitable for 1.5 inch internal thread. Suitable for different types of swimming pools, as well as ponds and water facilities.