Brand: NITRA Item: Exhaust silencer Connection: M5 x 0.8 male ISO Material: Sintered bronze Quantity per Pack: 2 Working Fluid: Air or inert gas Maximum Operating Pressure: 150 psi (10 bar) Exhaust Silencer Type: Cone NITRA pneumatic exhaust silencer, sintered bronze, cone, M5 x 0.8 male ISO. Package of 2.