The GE WR01X29937 Spring - Mullion is a genuine replacement component designed to maintain the alignment and tension of the refrigerator's mullion. This part ensures that the mullion returns to its proper position after the door opens or closes, contributing to a tight seal and energy efficiency. It?s a small but essential piece for consistent performance and smooth operation of your French-door refrigerator. Key Features Genuine GE Part ? designed specifically for GE French-door refrigerators Mullion Tension Support ? maintains proper function of the door mullion flap Improves Seal and Efficiency ? helps the door close tightly, preventing air leaks Durable Metal Construction ? built to last with daily use Simple Installation ? quick DIY repair with no special tools Specifications Part Number: WR01X29937 Type: Mullion Spring Material: Metal Function: Restores tension to door mullion hinge Compatible Models Fits select models including RBFS21TIAE, RBFS21TIAP, RBFS21TIAS, RBFS21SIAS, PBFS21EDAS. Why Choose This Item If your refrigerator?s mullion flap isn?t springing back into place, the GE WR01X29937 spring is the fix you need. Restoring proper door function helps save energy, reduces wear on the door gasket, and keeps your food fresher longer. Choose this genuine GE part for a reliable and lasting repair.