This cyclone separator with rotary airlock kit includes the RC-04 Rotary Airlock, one cyclone, and support stand. This kit is for use with 5, 7.5, or 10 horsepower motors. It has both a 12 inch inlet and outlet port with a 16 inch drop port and measure 39 inches in overall diameter. Cyclone separators are very convenient whether you have an existing collection system or are building from new. The Typhoon stand alone cyclone separators can help you deal with wood waste efficiently. Magnetic starter included.