The four-stage air filtration system features two 3/4" NPT ports and one 1/4" NPT pressure gauge port, operating stably within the range of 0-240 PSI, and includes an automatic drain function
STAGE 1: Filter and Regulator - The knob has a locking feature to prevent rotation, ensuring accurate and safe use, The filter includes a 5-micron cartridge that effectively filters 95% of particles and moisture
STAGE 2: The coalescing filter uses a 0.01-micron filter element, which can remove 99.9% of water, oil, and fine particles, These substances are effectively removed after being filtered in the first stage combination, When the red casing pops out, it indicates that the filter element needs to be replaced
STAGE 3&4: Desiccant Air Dryer Includes a metal bowl filled with desiccant beads to absorb any remaining moisture and impurities from the air, When the desiccant beads change from blue to pink, it indicates that the desiccant needs to be replaced