Silicone free O-ring sealsNon-PTFE based thread sealant on all BSP taper threadsEasy tube insertionInternal hexagon on straight adaptors allows assembly in confined spacesFor quick & simple assembly of pneumatic circuitsReliable and corrosion resistantUsed for Compressed AirThread - R1/4O/D Tube - 6 mmOperating pressure -0.9 to 18 barOperating temp -20 to 80 °CBody Material - Nickel plated brass