Gasket Set Compatible with Pump Type Flange In-Line Circulating Pumps Compatible with Series 1 1/4 in 60 1 1/2A 60 1 1/2AA 90 1 1/2AA HV MF 60 1 1/2x5 1/4 MF 60 1 1/2x6 1/4 MF 60 1 1/2x7 PL 45 PL 50 Compatible with Series Family 1 1/4 in 60 1 1/2A 60 1 1/2AA 90 1 1/2AA HV MF 60 1 1/2x5 1/4 MF 60 1 1/2x6 1/4 MF 60 1 1/2x7 PL 45 PL 50 Gasket Material Nitrile Rubber Includes Flange Gasket Compatible with Brand Bell and Gossett