Robinair's No. 40333 Hose Coupler Fitting features a 1/4 inch male flare on each end. This solid machined brass fitting does not include a valve core. Use to connect any number of hoses, allowing the creation of the perfect length hose for any situation. Sold individually. Robinair, a Bosch Automotive Service Solutions brand, is a global leader in service tools and equipment based in Owatonna, Minnesota. Robinair is recognized throughout the world as the quality and performance leader in AC/R evacuation tools and this position has led to its success with the full range of products that serve the heating/ventilating/air conditioning/refrigeration (HVAC-R) and mobile markets.