Ingersoll Rand releases 3000 Series Filter-Regulator "Piggyback" renowned for providing industry rated flow rates. With its complete modular design and enhanced accessory set including locking bowls, the filter series certainly promotes low leak rates during functioning. This bowl is made of polycarbonate, while the bowl guard is made of nylon. An aluminum metal bowl with nylon sight glass. The standard filter is made of Polyethylene while the coalescing filter is made of Hepa paper & Felt. There are two drains, the manual drain made of steel and nitrile; the auto drain made of acetal. The bright, flush mount gauge containing settable fan feature is another advantage. The standard filter is of 5 microns. Comes with 2-year warranty.