Flange with EPDM Seal, 10 in Nominal Pipe Size, Grooved, 10 3/4 in Flange Outside Diameter, 1 in Flange Thickness, Ductile Iron, Zinc Plated, Class Class 150, 300 psi Maximum Operating Pressure, -20 Degrees to 180 Degrees F, Number of Bolt Holes 12, 14 1/4 in Bolt Circle Diameter, 1 in Bolt Hole Diameter