Air Line couplers, connectors, and fittings
Aro Speed Couplers and connectors give fastest, easiest connection of air-operated tools or equipment to your air lines. Just snap hose connector into coupler . . . you'll have a positive, air-tight connection. The hose will swivel freely . . . no twisting . . . no kinking.
To disconnect simply snap connector and coupler apart . . . built-in shut-off valve in coupler will close tight, instantly, automatically.
No twisting or turning or tightening necessary . . . just snap on, snap off.