ANVER Vacuum Cups and Suction Cups Model: Universal 2.5 Bellows Part Number: B2.5-9FL-NBR Vacuum Cup Part Number and Material Flared Overall Dia. D Overall Dia. d Fitting Dia. H Static Height A Compressed Height Volume Load Capacity* at 24 in. Hg (609.6mm Hg) [2:1 Safety Factor] lb (kg) Fitting Group (Click Image for More Info) Level Compensator Suspensions (Click Image for More Info) B2.5-9FL-NBR (Nitrile) 0.38 in. (9.7 mm) 0.35 in. (9.0 mm) 0.16 in. (4.0 mm) 0.67 in. (17.0 mm) – – 155 grams