Endustra engineers, designs, and manufactures the patented Tri-Vent® Series Intake Filters and Filter Silencers. Scalable from 60 to 60,000 CFM, Tri-Vent® technology easily adapts for most application variables, and 125/150# ANSI flange connections ship from stock. Standard features include Tri-Vent® cartridge filter elements with Enduralast® all-weather hydrophobic media, No-Tools element changes, and powder coating.