QR1 push-in or threaded fittings come in stainless steel, polymers, and Perbunan O-rings. Enlarged oval plastic release ring makes fast connection and release of compressed air tubing. Mini style suits 1/8, 5/32, and 1/4 in. and 3 to 6 mm OD. Standard style fits tubing with 5/32 to 1/2-in. OD and 4 to 16 mm. They are rated for vacuum to 145 psi at temperatures from 32° to 140° F.

Bosch Rexroth Corp., (859) 254-8031, www.boschrexroth-us.com