Size20Suction cup materialSilicone SIMaterial hardness [Shore A]55 Shore AMaterial characteristicsFDA-compatibleNipple materialAluminumConnectionM5-MNumber of folds1.5Vacuum connectionM5-MKE-FSGA 20 SI-55 M5-AGDesign Data Attribute Value d2 11 mm Dmax(S) 21 mm dn 2.50 mm Ds 18.10 mm G1 M5-M H 20.20 mm LG1 5 mm SW1 7 mm Z (Stroke) 5 mm