MFR (MASS Flow Return)

"Exclusive" and "Only" Standard with all FASS Air Separation Systems!

The MFR of the FASS continually “POLISHES” at the rated gph of the FASS pump. The MFR removes all types of fuel contaminants (Dirt, Air, Vapor & Water) during each pass through the FASS. With this Exclusive feature your giving your fuel injection system the cleanest fuel in the "World" unrivaled in the diesel industry!

The competitors low volume return only cleans the fuel as it is needed by the engine due to the fact it only returns enough fuel to separate "SOME" of the air.

MassFlowReturn