The NANPU Piggyback Compressed Air Filter - Regulator Combination Unit is outfitted with a 5 - micron brass filter element and a polycarbonate bowl. It incorporates both semi - automatic and automatic drainage systems, supported by a robust metal bracket. Equipped with a precision 0 - 150 psi pressure gauge, this unit ensures efficient air filtration and accurate pressure regulation, making it suitable for a wide range of industrial compressed air applications.