Hi Flo couplers and plugs by Tru-Flate are designed to provide twice the air flow of a standard coupler and plug, up to 70 cfm at 90 psi, ensuring tools will provide maximum torque and optimal performance. Made of T6 aluminum, they are meant to be durable and lightweight, causing less user fatigue. Couplers are push to connect design for easy coupling. They are available in 1/4” size, and they are sold individually or in 4-pc or 10-pc assortments.