Standard TORAY polyester coated HEPA filter. Applies to continuous working condition, small size and large amount dust, specially applies to floor grinding and polishing industry. Adjustable height, handling and transporting easily. Main features: Three Ametek motors, for controlling the on/off independently. Continuous drop-down bagging system, easy and fast loading/unloading. PTFE coated HEPA filter, low pressure loss, high filter efficiency.