Gasket Kit, Compatible with Pump Type Flange, In-Line Circulating Pumps, Compatible with Series 00, Compatible with Series Family 0012, Gasket Inner Diameter 2 in, Gasket Material EPDM, Gasket Thickness 0.13 in, Includes (1) O-Ring, (4) Bolts, Compatible with Brand Taco, Compatible with Grainger Part Number 30K931, 3GZV6, Compatible with Manufacturer Model Number 0012-BF1, 0012-SF4, 0012-SF4-2, 0012-VRBF4, 0012-VSF4, 0012-VVF4-1