ANVER Vacuum Cups and Suction Cups Model: OP-20X100 SEALING RING Part Number: A-3350028 ANVER and P-Series Description and Part No. Diameter in. (mm) Height in. (mm) Item Weight oz. (grams) Load Capacity at 24 in. Hg (609.6mm Hg) [2:1 Safety Factor] lb (kg) OP-20X100 SEALING RING (Ethylene-Propylene) A-3350028 33.50.028 OP20X100.50 0.30 [W] (7.6) [W] 0.41 (10.4) 0.423 (12) N/A