PARKAIR Silicone Tube

ID Ins: 1/4 Wall Thickness mm: 1/16 OD Ins: 3/8

ID mm: 3 Wall Thickness mm: 2 OD mm: 7

ID Ins: 3/8 Wall Thickness mm: 1/8 OD Ins: 5/8

ID mm: 4 Wall Thickness mm: 2 OD mm: 8