Morvat 3/4 in. Nickel Plated Brass Source Quick Connect/Disconnect Garden Hose Fittings, Female and Male Connections (6-Sets) MOR-NP-SQCONNECTOR-6-A - The Home Depot
AIR LINE HOSE COMPRESSOR FITTING CONNECTOR QUICK RELEASE COUPLER SET BSP | eBay
Quick Couplers | PNR
Air Coupler BE-TOOL PM20-1/4" BSP Airline Connectors Quick Release Male Air Hose Fitting for Compressor Tools (Pack of 2) - Amazon.com
SUS 304 Stainless Steel Pneumatic Hose Fitting PC PCF PL PE PU 8mm Full Metal Quick Release Pipe Connector Joint 1/2 1/8 1/4 3/8 - AliExpress
Quick release hose connector 6k-3/4 - Paul Gothe GmbH
QuickFitting 3/4 Inch Push On Coupling | Patented Design for Superior Sealing | Push to Connect Brass Plumbing Pipe Fitting | for Copper, PEX and CPVC | 5-Pack - Amazon.com