Bell Multipurpose Gasket, Replacement, Rectangular, Suitable For Use With: Weatherproof Covers and Lamp holders, 1-Gang, 1/8 in Thickness, Polyethylene Foam, Black, 4-5/8 in Length X 2-7/8 in Width, UL Listed, -70 TO 80 deg C. BELL Replacement gaskets are for use with BELL weatherproof covers and lamp holders. Gaskets feature a multi-purpose design. Convenient perforations allow for quick and easy removal.