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

Key features of this coupler include:

Take Wherever Dispensing is Needed: Lightweight design for easy handling and transport

and accessories

For sealing the flanged emergency vents to the mounting flange on storage tanks

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