The Whirlpool WP99002150 Seal-Air is a replacement sealing component designed for compatible dishwasher models. It fits into the designated sealing area and forms a barrier that limits unwanted air movement around the dishwasher door. When the door closes, the seal sits against its mating surface to support proper enclosure during dishwasher cycles. Its function is to maintain the int... https://www.partsmelange.ca/whirlpool-wp99002150-seal-air-for-dishwasher