These are the solution to coupler confusion and are designed for those who have a variety of interchange present in their operations or for those who are unsure which series they have. They will mate with all three of the most popular styles (Industrial, Automotive, and ARO Series) as well as high flow CEJN 320/410 and Rectus couplings. They are suitable up to 250 psi air and flow rates on the 1/4" body are 37 CFM @ 100psi, and 70 CFM @ 100psi on the 3/8" body.