Size22Suction cup materialSilicone SIMaterial hardness [Shore A]55 Shore AMaterial characteristicsFDA-compatibleNipple materialAluminumConnectionG1/8"-MNumber of folds1.5Vacuum connectionG1/8"-MKE-FSGA 22 SI-55 G1/8-AGDesign Data Attribute Value d2 11.70 mm Dmax(S) 25 mm dn 3.50 mm Ds 21.50 mm G1 G1/8"-M H 25 mm LG1 7.50 mm SW1 14 mm Z (Stroke) 6 mm