Image U-Series Universal Pneumatic Standard Hose Barb Coupler Markets Agriculture & Forestry, Chemical Processing, Construction, Energy / Oil & Gas, Fire Protection, Food & Beverage / Pharmaceutical, Maintenance Repair Operations (MRO), Mining, Steel Processing Product Options Part Number Length Maximum OD Body Size Hose ID Material 2US2-B 2.64" 0.92" 1/4" 1/4" Brass 2US3-B 2.76" 0.92" 1/4" 3/8" Brass 3US3-B 2.99" 1.09" 3/8" 3/8" Brass