Dunkive 2 Pack Pool Skimmer Plug, Pool Skimmer Guard, Skimmer Winterization Plug for 1 1/2" and 2'' Threaded Skimmers, Suitable for Above and Inground Pool (16.5 Inch)

Easily Winterization: The skimmer winterization plug acts as an ice compensator inside your skimmer housing that absorbs the expansion of winter freeze up in skimmers, preventing it from cracking the skimmer housingUniversal Fit: 16.5'' in length, this pool skimmer plug accommodates most above ground skimmers, works with 1 1/2" and 2" tapered pipe thread, and fits for big, deep skimmersQuality Material: Made of quality ABS plastic, the skimmer winterization plug withstands harsh winter conditionsSaves you Time: With skimmer winter tube, it does not require you to leave your pool drained below the skimmer for the winter and refill your pool every yearEasy to Use: Easy to screw in place; Before fitting, verify that the plumbing has been thoroughly emptied and no water is left in the system