Push-In Design: Simple push-in design for tube connection and secure connection. This straight pneumatic connection does not require any additional sealing. Easy to install, and can be done in a short time High pressure resistance: high pressure resistance, no triggering, pneumatic quick connector can withstand stronger and stronger pressure without triggering, easy installation, long service life Round Release Ring: A round release ring on both ends facilitates pneumatic installations in confined spaces. The trigger ring adopts elliptical design, and disassembly is more convenient and save labor Good sealing performance: Ptfe resistant adhesive coated wire, with good sealing performance. 3 different sizes: This pneumatic straight quick connector contains 30 pieces of fittings, 10 pieces of 1/4 “, 10 pieces of 5/16 “, 10 pieces of 3/8 " Premium Quality: Made from premium PU material, this straight air connector is sturdy, resistant to aging and abrasion, to ensure maximum strength and