OPW FC MFPD DEF Mis-Filling Prevention Device, Adapter Only Sight Gauge this is perfect high flow

this is perfect high flow transfer pump for aboveground storage tanks

meter inlet O-ring

Valve Type    Metered

torx screws

and accessories

OPW FC MFPD DEF Mis-Filling Prevention Device, Adapter Only Sight Gauge this is perfect high flowA fixed magnetic field within the Mis Filling Prevention Device actuates a magnetic interface in the spout of the 21Gu nozzle to allow the flow of DEF. Without the Mis Filling Prevention Device, the DEF nozzle will not flow. Putting the nozzle in the wrong tank, say your diesel tank, the nozzle will not flow. No other DEF filling nozzle has this DEF mis filling protection capability. The MFPD is located inside the vehicle DEF fill pipe