Quick Connects, Regulator-to-Hose, QDB300 Plug (M); QDB301 Socket (F), Inert Gas

Features: Brass construction provides long service life | Non-interchangeable oxygen and fuel gas connectors | Instant closure on reverse flow check valves | Spring-loaded locking mechanism responds to fingertip action and achieves a gas-tight connection | Double seal socket connection on second seal | Color-coding for gas service type provides additional safety