− Decrease quantity for Hose Coupler Silicone 4ply Aramid Reinforced 45 degree Elbow Reducer Transition 4.00 in. in I.D. 3.50 in. out I.D. 4.00 in. Length 4.00 in. Black Quantity + Increase quantity for Hose Coupler Silicone 4ply Aramid Reinforced 45 degree Elbow Reducer Transition 4.00 in. in I.D. 3.50 in. out I.D. 4.00 in. Length 4.00 in. Black Add to cart