The Beverage Air 703-963D-03 Door Gasket (21 1/8" x 23") is designed to ensure a tight, reliable seal on compatible refrigeration units, helping to maintain consistent internal temperatures. By forming an airtight barrier between the door and the cabinet, this gasket minimizes cold air loss, reduces energy consumption, and supports food safety by preserving proper cooling conditions. ... https://partsfe.com/703-963d-03-beverage-air-door-gasket-21-18-x-23