Premium Materials: Crafted from high-quality plastic, this pool skimmer cold stopper is built to endure harsh winter conditions, ensuring long-lasting durability and reliability. Universally Applicable: Measuring 43.5cm in length, this pool skimmer stopper fits most above ground pool skimmers with 3.8cm and 5.1cm inlets, catering to various skimmer sizes and depths for versatile use. Easy Winter Maintenance: Acting as an ice compensator, the skimmer winter stopper effectively absorbs winter freeze-up expansion within the skimmer housing, safeguarding it from potential cracking and damage. Time-Saving Solution: By utilizing the skimmer winter tube, you can avoid draining your pool below the skimmer during winter months, eliminating the need for yearly refills and saving you valuable time and effort. User-Friendly Design: Simple to install and tighten securely in place, this skimmer winter stopper offers ease of use. Prior to installation, ensure proper drainage of the pipe system for optimal performance. Description: The pool skimmer cold stopper, crafted from premium plastic, is designed to endure harsh winter conditions effectively. Measuring 43.5cm in length, this pool skimmer stopper fits most above ground pool skimmers, accommodating 3.8cm and 5.1cm skimmer inlets, making it suitable for various large and deep skimmers. The skimmer winter stopper serves as an ice compensator within the skimmer housing, absorbing the expansion caused by winter freeze-up in skimmers, thereby preventing any potential cracking of the skimmer housing. By utilizing the skimmer winter tube, you can avoid the need to drain your pool below the skimmer during winter, eliminating the hassle of refilling your pool every year. This skimmer stopper is easy to tighten securely in place. Prior to installation, ensure that the plumbing system has been thoroughly drained to prevent any water retention. Item Name: Pool Skimmer Guard Material: Plastic Applicable Scope: Above And Inground Pools Features: Easy Installation, Pool Accessory, Widely Applicable Size Details: L: 43.5cm/17.13", W: 8.2cm/3.23", H: 8.2cm/3.23" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pc: 1 x Pool Skimmer Stopper or 2 Pcs: 2 x Pool Skimmer Stopper