http://nexflowair.com/air_conveyor_standard.php The Nex Flow™ "Compact" Stainless Steel Model 30002 -- 2" Ring Vac™ air operated conveyor moves dried peas from one location to another in the production of pet food. The unit operates intermittently when needed minimizing energy use. No maintenance, compact, and easy to install and use. CHECK SPELLING which we advised about a year ago!!!!! (by Nex Flow™ Air Products Corp.)