American Lube F35341-411 1/2" Module/Air 2000 Series FilterAmerican Lube F35341 411 Aro Flo Compressed Air Filters Are Designed To Remove Airborne Solid And Liquid Contaminants. Filters Can Be Ordered With Different Elements, Including Coalescing Models Which Are Capable Of Removing Oil Aerosols And Particles Down To 0. 3 Micron. Standard Filters Are Sold With 5 Micron Elements; 40 Micron Elements Can Be Purchased And Installed Separately. 1 2" Module Air 2000 Series Filter : Includes Metal Bowl, Sight Glass,