Gasket, Compatible with Pump Type In-Line Circulating Pumps, Compatible with Series 2 1/2 In., HD 3, LD 3, PR, Compatible with Series Family 2 1/2 In., HD 3, LD 3, PR, Gasket Material Nitrile Rubber, Includes Body Gasket, Compatible with Brand Bell and Gossett, Compatible with Grainger Part Number 4RC97, 4RC98, 4RC99, 4RD02, Compatible with Manufacturer Model Number 102218, 102222, 102226, 2-1/2 In. AB