The Mistral 45 BT is a battery operated vacuum (Order Battery Charger sold separately).nThe motor is equipped with 2 By-pass motors, 2.07HP (.8kw), 159 CFM, 67 inH20.nThe suction inlet is 80mm. The filter unit is made of a polyester class L star filter, easy to clean by means of a manual filter shaker.nThe tank collection capacity is 12-gallon capacity.