The AP170E is a well designed mobile dust extractor that comes fitted with a fine dust cartridge filter as standard. The cartridge filter increases the potential use of this machine to include sanders as well as saws, planers etc. The extra large cartridge filter has a rating of 1 micron @ 100% capture rate. Its extra surface area means that the overall airflow is not reduced.The filter cartridge is easy to keep clean with the top mounted crank handle. A large capacity plastic waste sack captures chippings and shavings, quick release straps simplify changing the waste sack. A comfortable tubular handle, steel rear wheels and front castor wheels provide easy mobility. An alloy impeller reduces the risk of sparks. Careful matching of the motor, impeller and housing, results in an efficient machine able to extract chips and dust from almost all our Professional specification machinery. Overall, the AP170E is a modern, efficient dust extractor that fulfills the requirements of most small professional workshops. Hose not supplied. N.B. This Machine requires a 16amp supply and it's recommended that a C Type breaker is used, if you are unsure please contact a qualified electrician.