Oneida Air Systems Super Dust Deputy Molded Cyclone Only HIGH EFFICIENCY - Oneida Air Systems' patented Super Dust Deputy cyclone separates over 99% of dust and debris from the incoming airstream, virtually eliminating filter clogging, suction loss, and significantly prolonging the lifespan of your filter. Integrated air ramp and 5 neutral-vane inlet provide ultra-high efficiency. LONGER LIFESPAN - Prevents fine dust and large debris from reaching your dust collector, reducing the need for cleanings and prolonging the lifespan of your filter. MADE IN AMERICA - Retrofits on 1 HP  3 HP single-stage dust collectors. Approximately 24" height with 5" OD inlet and 6" OD outlet. EASY INSTALLATION - This dust collector includes assembly gasket and hardware. Compact footprint with simple installation.