About This 【Thread Size】The air drying system has two 3/4" NPT ports and one Gauge Port 1/4" NPT.【Pressure Range】The pressure range is easily adjustable within 0-240 PSI. 【Stage 1&2 Regulator/Filter】The adjusting knob can precisely control the air pressure within the range of 0-240 psi. The knob will be locked when pressed to ensure safety during use. Equipped with a 5-micron element, it can filter out up to 95% of particles and moisture in the air. 【Stage 3 Coalescing Filter】The coalescing filter is equipped with a 0.01-micron element that can remove 99.98% of moisture and impurities from the air line. A red indicator on the top window will pop out when the filter element needs to be replaced. 【Stage 4 Desiccant Air Dryer】The air will pass through a metal bowl filled with desiccant, which can thoroughly dry and clean the moisture and impurities in the air, and finally output to downstream pneumatic tools. When the desiccant needs to be replaced, the beads will change from blue to pink. 【Package included】1x Four Stage Air Drying System, 1x Dial Gauge for the 1/4", 1x Nickel-plated Iron Air Plug, 1x Nickel-plated Iron Air Coupler, 2x 1/2" × 1/2" Male Pipe, 4 x 5 Micron Element (Two of Them is Installed in the Product)& 2 x 0.01 Micron Element(One of Them is Installed in the Product), 4x Desiccant Beads Bag, 1x Teflon tape.
