Features, P33QA is a 237mm combination, 1/2", 3/4" BSPP/NPT threaded interface, locking valve, 5μ filtration accuracy, polycarbonate/metal filter cup with manual/automatic drainage, maximum pressure 17bar, P2 pressure range 0 to 2,4,8&17bar, oil mist is injected into the oil mist. Temperature -10°C to 65.5°C.