La-Man La-man's patented Extractor/Dryer® is a proven oil and water separator that has successfully filtered compressed air in the pneumatics industry for over 30 years. In addition to the Extractor/Dryer®, La-Man's line of products include the patented Pneumatic/Dryer & Pneuguard® Oiler series, as well as, LA-MAN-AIR Breathing Systems™, SuperStar™ Membrane Dryers, the Refrigerated Extractor/Dryer™ series, and select Drains & Valves.