RIH Pneumatics 1 4“ NPT Compressed Air Filter Regulator Lubricator Combo Water Oil Trap Separator Gauge(0 150 psi), Auto Drain and Manuall Drain,Poly Bowl,Bracket 3 in 1 Two Unit 1 4“ NPT Manual differential pressure integrated tapes_June2026 Process connection : 1 4"NPT lower B0C7QP3H3F Process connection : 1 4"NPT lower mount Silicone oil ensures long term work in low temperature( 40~140℉ 40~60℃) Read more Dial size 2 1 2" Process connection 1 4" Male NPT Scale range 0 200 Psi 0 1 The cutter wall can easily be snapped if the drill and material is not held rigid 2 x 1" NPT Fittings RIH Pneumatics 1 4“ NPT Compressed Air Filter Regulator Lubricator Combo Water Oil Trap Separator Gauge(0 150 psi)