XL Extended Life Oils by Compressed Air USA Reciprocating Breathing Air Compressor Oil RECIP HPBA is a high performance diester based ISO 46 lube and is designed for high pressure reciprocating air compressors, specifically ones designed for breathing air applications. Our air compressor oil is completely top off compatible with OEM and Aftermarket equivalents. No drain or flush is required. Our blends highlight Performance, Efficiency, and Quality. We offer lubricants for all applications: centrifugal, industrial blowers, reciprocating piston, rotary screw, rotary vane, turbines, vacuum pumps, portable machines, gear sets, and hydraulic systems. Our High Pressure Breathing Air Oil is designed to lubricate high pressure and high temperature reciprocating air compressors. CAUSA's Breathing Air Oil provides exceptional carbon resistance in high temperature/high pressure compressors. Its extremely low volatility, excellent hydrolytic stability and very high flash point all contribute to safer operation. With its advanced additive system, CAUSA Breathing Air also provides extraordinary wear protection. *Important Note* CAUSA Breathing Air Compressor Oil is designed to safely lubricate compressors for breathing applications. This product alone does NOT create breathing safe air. Proper air treatment and/or filtration is required to ensure air quality is safe and breathable.