2-Pack Pool Skimmer Plug, Pool Skimmer Cover, Skimmer Winter Plug for 1.5In and 2.0In Threaded Skimmers 9In Universal Fit: At 9 inches long, this pool skimmer plug fits most above ground skimmers and works with 1.5-inch and 2-inch tapered pipe threads for large, deep skimmers. Made of premium ABS plastic, the skimmer winter plug withstands harsh winter conditions. Time-Saving: With the skimmer winterizer tube, there is no need to drain your pool underneath your skimmer and refill your pool every year during the winter. Easy to Use: Tightens easily; before installing, verify the pipe is completely emptied and there is no water in the system. Easy Winterization: This skimmer winterizer plug acts as an ice compensator inside the skimmer housing, absorbing the expansion of winter freezing in the skimmer, preventing it from cracking the skimmer housing. Note: The appearance and color may vary slightly from batch to batch, but this does not affect performance. Color: Blue Material: ABS Package Contents: 2 * Expansion absorber Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement may vary by +/- 1-3 cm.