Size25Suction cup materialSilicone SIMaterial hardness [Shore A]55 Shore AMaterial characteristicsFDA-compatibleNipple materialAluminumConnectionG1/8"-FNumber of folds1.5Vacuum connectionG1/8"-FKE-FSGA 25 SI-55 G1/8-IGDesign Data Attribute Value d2 9.90 mm Dmax(S) 26.50 mm dn 3.50 mm Ds 22.50 mm G1 G1/8"-F H 35 mm LG1 8 mm SW1 14 mm Z (Stroke) 9 mm