The Whirlpool WPW10524921 Rinse-Aid Dispenser Cap closes the rinse-aid reservoir in compatible dishwashers. It fits over the dispenser opening to keep rinse aid contained between refills and during regular dishwasher use. The cap provides a removable closure, allowing users to refill the compartment when needed. During a wash cycle, the dishwasher’s dispenser releases rinse aid accord... https://www.partsmelange.ca/whirlpool-wpw10524921-rinse-aid-dispenser-cap-for-dishwasher