PFM
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SMC PFM550-N01-1 2-Color Digital Flow Switch For Air
$149.95PFM5, Digital Air Flow Sensor, Remote, IP40, 0.2-100 LpmPFM5 is a digital flow sensor compatible with air, nitrogen, argon and carbon dioxide. This is the remote version of PFM7, without a display. The top panel includes two LEDs to indicate power and...PFM550-N01-1$149.95 -
SMC PFM511-N02-2 2-Color Digital Flow Switch For Air
$149.95PFM5, Digital Air Flow Sensor, Remote, IP40, 0.2-100 LpmPFM5 is a digital flow sensor compatible with air, nitrogen, argon and carbon dioxide. This is the remote version of PFM7, without a display. The top panel includes two LEDs to indicate power and...PFM511-N02-2$149.95