Quick Coupler Body, Industrial Interchange Type - Quick Connect Air Couplings, Pipe Size - Quick Connect Air Couplings 1/2 In., (F)NPT Hose Connection - Quick Connect Air Couplings, Body Size - Quick Connect Air Couplings 1/4 In., Max. Pressure - Quick Connect Air Couplings 300 psi, Locking Type - Quick Connect Air Couplings Sleeve, Steel, Buna-N Seals - Quick Connect Air Couplings, Max. Flow 35 cfm, Zinc Plated Finish, Temp. Range -40 Degrees to 150 Degrees F