14MPHRL - Tri-Clamp X Brewery Style Hose Barb AdapterDesigned for breweries, the 14MPHRL Brewery Style Hose Barb Adapter is a sanitary fitting that makes secure connections between Tri Clamp ends and rubber hose. This adapter is available in sizes ranging from 1" to 4" and is constructed of 304 stainless steel. Tube O. D. A B Wall Thickness 1" 3. 5 1. 03 0. 065" 1 1 2" 5. 0 1. 53 0. 065" 2" 5. 0 2. 03 0. 065" 2 1 2" 5. 5 2. 53 0. 065" 3" 5. 5 3. 03 0. 065" 4" 5. 5 4. 03 0. 083"