Downdraft Bench with Fan & FilterCLEANABLE CARTRIDGE FILTERS Top quality and cleanable cartridge filters allow you long filter lifetime and lower cost of ownership EXPANDABLE WORKING AREA Openable side panels allow you to expand working area. 3 Position is available INTEGRATED SPARK SHIELD Integrated spark shield protect main dust collector from sparks which could be arise during grinding operation High efficient and silent radial fan provides high extraction efficiency GENERAL INFORMATION