Product Description ARO-Flo 2000 Series Filter Regulator (Piggyback) -3/8" NPT Port -172 SCFM -5 Micron Filtration -150 psig Max inlet Pressure -0-140 psig Regulator Pressure Range -Flush Mount Pressure Gauge -23-125°F Temperature Range -Polycarbonate Bowl w/ guard -Manual Drain From the Manufacturer ARO-Flo Filter-Regulators, or "Piggybacks" combine the functions of both filter and regulator. Piggybacks are compact and most effective when space is constrained. Piggybacks can be ordered with different filter elements and can be modified with different springs, depending on the filtration and air regulating requirements.