NS-12 Quick Coupling Valve (Brass) FEATURES:Available in 3/4 ” & l” Female BSP/NPT Connections.Solid brass Construction for durability economy & recyclability.Specially designed grommet for good working.Brass plunger & stainless steel spring to eliminate corrosion.Also available in plastic. Get in Touch to know more NS-12 Quick Coupling Valve (Aluminum) FEATURES:Available in 1 1/4 ” & l 1/2″ Female BSP/NPT Connections.Aluminum Construction for durability economy & recyclability.Specially designed grommet for good working.Brass plunger & stainless steel spring to eliminate corrosion. Get in Touch to know more