SamcoSport Straight Coupling Hose Our SamcoSport Silicone Coupling Hoses provide a great combination of style and performance and are perfect for most air and water applications. 102 110 11 13 16 18 19 20 22 25 28 30 32 35 38 41 45 48 51 54 57 6.5 60 63 65 68 70 76 80 83 89 8 9.5