Protect your pool wall from a leaking skimmer box with our replacement wide mouth butterfly skimmer gasket. Its unique butterfly design creates a secure seal that prevents harmful drip between the liner and wall. Fits 18 hole screw pattern wide-mouth skimmer, such as Hydrotool's, Olympia's, Hayward's through the wall wide-mouth skimmer box. 

Dimensions: Approximately 13 1/2" Outside Length x 7 3/8" Height