JMTurbo Black 3.5&rdquo; x 12&rdquo; (1&rsquo;) Long Straight Silicone Hose Coupler Tube Brand new, Free Shipping, Hassle Free Return Both Ends(Inlet/Outlet): 3.5" Hose Long: 12" Thickness: 5mm. 4-Ply Nylon for Strong Reinforcement.