Size20Suction cup materialSilicone SIMaterial hardness [Shore A]55 Shore AMaterial characteristicsFDA-compatibleNipple materialAluminumConnectionM5-MNumber of folds2.5Vacuum connectionM5-MKE-FSG 20 SI-55 M5-AGDesign Data Attribute Value d2 10.50 mm dn 2.50 mm Dmax(S) 21 mm Ds 20 mm G1 M5-M H 27.10 mm LG1 5 mm SW1 7 mm Z (Stroke) 9 mm