16 Inch Pool Skimmer Plug for 1 1/2" and 2'' Threaded Skimmers, with 1.5" Threaded Pool Spa Return Line Winterizing Plug fits for Hayward Pentair Filters and Winterizing Pools (2 Pack)

2 Pack 16 inch Pool Skimmer Plug for 1 1/2" and 2'' Threaded Skimmers, with 1.5" Threaded Pool Spa Return Line Winterizing Plug fits for Hayward Pentair Filters and Winterizing Pools

• Widely Compatible: 16-inch skimmer winterization plug is compatible with most above ground skimmers.1-1/2 or 2-Inch skimmer threads MPT. 1.5" threaded pool return line winterizing plug replacement for Hayward filter drain plug SP022C
• Pool Skimmer Freeze Protection Device: Threaded pool return line plugs are an important component of swimming pools during winter, which can be used as pipe plugs to block skimmers, return and cleaner lines, preventing water from entering the pipes during winter
• 2 Pack Skimmer Winterizing Plugs Kit: In-ground pool skimmer plug can withstand harsh winter conditions. Prevent the skimmer casing from cracking due to low-temperature shrinkage. Includes 2 pcs pool skimmer plugs and 2 pcs 1.5 inch threaded pool return plugs
• High Quality Skimmer Accessories: Pool skimmer antifreeze plug kit is made of high-quality ABS material, which can withstand extremely low temperatures without sliding or shrinking. Skimmer winter tube acts as an ice compensator inside the skimmer housing, absorbing the expansion of frozen water inside the skimmer. It features a double threaded design and rubber O-ring gasket, providing waterproof sealing and protecting the piping system of the skimmer
• Easy to Install：Clean the pipeline to ensure there is no water in the system. Screw the threaded antifreeze plug into the skimmer