Standard 1-micron filtration bags for optimal air cleaning. Snap in bag rings mean no more fussing with cam-over-lock clamps. Powerful TEFC induction motor for long-lasting, smooth performance with protection from damaging dust. 6 mil plastic chip collection bags for optimal durability. Sturdy steel base with four easy-gliding wheels for moving from machine to machine or for storing out of the way. Standard 1 micron filtration bags. (2) 4″ dust ports, or (1) 5″ main port. Motor housing can be mounted with dust ports facing up or down.