Tru-Flates 13-925 HI FLO Aluminum Coupler is designed to increase air flow to ensure your tools will provide maximum torque and optimal performance. Convenient push-to-connect design coupler is made from light-weight T6 aluminum. 1/4 inch body Male Coupler only - other components available separately. Delivers optimum flow when used with complementary HI FLO plugs. Ideal for HVLP (high volume, low pressure) tools like spray guns, abrasive blast cabinets, and other high CFM requirement tools. Tru-Flate is part of the Plews & Edelman group. Plews Manufacturing and Sales Corporation was originally founded by R.G. Plews in 1927. At that time, the railroad industry was the primary focus for the companys extensive line of oil cans. As the transportation industry went from trains to passenger cars and trucks, Plews shifted their focus to developing the tools necessary to service this new mode of transportation. Fast forward 90 years and Plews has become part of Plews & Edelman. Today, Plews & Edelman is a leading designer, manufacturer and distributor of a broad range of automotive parts and tools sold to the vast majority of mass merchant, retail auto parts stores and wholesale automotive parts and industrial distribution outlets, worldwide.