This BrewBuilt Blowoff U Barb is perfect for home brewers and small - scale commercial brewers. Use it during the brewing process to prevent blowoff tubing from kinking. It has a 1.5' Tri - Clamp and a 5/8' OD barb, and measures about 4' from T.C. to barb. It's made of 304 stainless steel, easy to clean, and forms a tight seal with 1/2' ID silicone tubing.