Vacuum Cups and Suction Cups Model: Universal 2.5 Bellows Part Number: PBL22-SI – Red Silicone Vacuum Cup/ Suction Cup No. D Flared Overall Dia. in. (mm) d Fitting Dia. in. (mm) H Static Height in. (mm) Load Capacity* at 24 in. Hg (609.6mm Hg) [2:1 Safety Factor] Recommended Fitting (Click for Info) RFQ Suspension Group for Cups PBL22-SI 0.87 (22) 0.31 (8.0) 0.85 (21.5) 1.2 lbs (0.54 Kg) NOTE: Previously Called PBL22-S45