The most popular and rugged valve available for controlling directional air flow in compressor lines or scuba filler whips. Uses same internal parts as many scuba valves. Chrome brass body for 6,000 psi service. Air flows from the 1/4 NPT female input to the 1/4 NPT male output. This Oxy-clean version incorporates a Kel-F seat. Order #46332OX for rebuild kit. Previous Oxy-clean version of this part went by part #45333OX.