Flange Hardware Kits Compatible with Brand Armstrong Compatible with Series E.2 S H Compatible with Manufacturer Model Number E28.2HT E29.2HT E30.2HT - 3 in E32.2HT - 3 in E33.2HT - 3 in S-45 S-46 S-55 S-57 Flange Gasket Material Rubber Includes Capscrews Nuts Compatible with Series Family E.2 S H Compatible with Pump Type In-Line Circulating Pumps Flange Bolt Material Steel