ID 4inch 4-Ply Straight Coupler Silicone Hose 5mm Thickness 12inch Length With 2 X Stainless Steel T-clamps (4inch(102mm)) 4 Inch is up for auction in Automotive. The current bid is $2.00, 91% below the $23.00 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.