ROD SEAL, SEAL TYPE B POLYSEAL, SEAL MATERIAL URETHANE, FOR ROD DIA. 8 IN, SEAL DUROMETER 95 SHORE A, TEMP. RANGE -35 DEGREES TO 220 DEGREES F, FOR GROOVE WIDTH 0.825 IN, FOR ROD GROOVE DIA. 9.0 IN, MAX. SPEED 3.0 FPS, MAX. PRESSURE 5,000 PSI, INSIDE DIA. 8 IN, OUTSIDE DIA. 9 IN, WIDTH 1/2 IN, HEIGHT 3/4 IN, COLOR BLACK