SamcoSport Straight Hump Hose Our SamcoSport Silicone Hump Hoses provide a great combination of style and performance and are perfect for most air and water applications. 45 45mm (1¾") I.D. x 76mm (3") long 50 50mm (2") I.D. x 76mm (3") long 57 57mm (2¼") I.D. x 76mm (3") long 60 60mm (2⅜") I.D. x 76mm (3") long 63 63mm (2½") I.D. x 76mm (3") long 70 70mm (2¾") I.D. x 76mm (3") long 76 76mm (3") I.D. x 76mm (3") long 80 80mm (3⅛") I.D. x 76mm (3") long 90 90mm (3½") I.D. x 76mm (3") long 100 100mm (4") I.D. x 76mm (3") long