What it is: a threepart air pressure regulator combining a pressure regulator, a water/oil filter, and a stainlesssteel connector for reliable use with a wide range of pneumatic tools. Key benefits: Precise control: integrated gauge lets you set and monitor pressure from 0 to 140 PSI, so tools run at the correct pressure for consistent results and reduced wear. Protects tools and work: the builtin oil/water separator captures moisture and oil particles before they reach your tool, reducing corrosion, jamming, and poor finishes. Durable and lightweight: constructed from plastic and aluminum alloy with a stainlesssteel connector for corrosion resistance and long service life without adding unnecessary weight. Saves air and energy: accurate regulation prevents overpressurizing, conserving compressed air and improving tool efficiency. How it stands out: Multifunctional, compact threepart design integrates regulation, filtration, and a robust connector in a single module for simpler installation and fewer leak points. Clear gauge feedback supports repeatable setups and safer operation across different jobs and tools. Compatibility and performance: Designed to work with a variety of pneumatic tools (e.g., impact wrenches, spray guns, air ratchets, staplers/nailers) that require regulated, dry air. Materials and connector choice prioritize corrosion resistance and durability in workshop or jobsite environments. Pressure range 0–140 PSI covers common requirements for most and industrial air tools. Typical use scenarios: 1. Spray painting: regulate pressure for a consistent spray pattern while the separator removes moisture and oil that would ruin finishes. 2. Auto and assembly: protect impact wrenches and air ratchets from contaminated air, extending tool life and maintaining torque consistency. 3. Carpentry and framing: keep pneumatic nailers and staplers running reliably by preventing moisturerelated misfires and downtime. Practical notes: Install upstream of the tool to ensure filtered, regulated air supply. Regularly drain collected moisture and inspect the filter element to maintain filtration performance. Suitable for workshops, garages, and light industrial settings where clean, controlled compressed air improves results and reduces maintenance.