GIVEROO AW4000-N04BG Compressed Air Filter Regulator Piggyback Combo 1/2" NPT - Poly Bowl- Manual Drain- Bracket- Gauge

The filter is designed to remove most liquid and solid particles from the air supply. The Self-Relieving Pressure Regulator is used to adjust the outlet pressure. Notice: Please use a wrench to tighten fittings to avoid leakage. The first installation may have an excretion reaction ( Not leakage, for the first time the internal pressure is different from the outside, it is necessary to discharge the excess air first ) In this case, please patiently wait for a while and it will work well.