1. After receiving the new sealing strip prepare vegetable oil and paper towels. please Re-verify: compatible with refrigerator model GDM-49/T-49, compatible with gasket 810803, and size 25-3/4' × 54-1/8'; Note: transportation may cause slight deformation; By soaking them in hot water for a while, they can easily restore their original shape. each pack comprises 2 refrigerator door gaskets compatible with 810803, providing an immediate replacement; Please note that this is a compatible replacement, not OEM; Before ordering, please confirm that your refrigerator model compatible with GDM-49 or T-49 to ensure a match. measured precisely at 25-3/4' x 54-1/8' (65.41 cm x 137.48 cm), this freezer door gasket is suitably sized for commercial coolers; Please double-check that your gasket size is exactly 25-3/4' × 54-1/8'. Compatible with Gasket Model 810803: installing These Door Gaskets is a Breeze! For Setup: just fix the four corners first, press in the middle for a snug fit, and apply vegetable oil near the door shaft and frame; In case the magnetism isn't strong enough, close the door for a secure seal. our refrigerator door seal offers the ideal solution to energy consumption; To achieve this, please confirm your product is compatible with GDM-49/T-49 and the gasket model compatible with 810803; Their precise compatibility significantly reduces cold air exposure and leakage.