The Makita 18V x2 AWS Brushless Backpack Vacuum Skin (DVC660ZX1) provides commercial suction with a 6L tank capacity. This backpack vacuum comes standard with a comfortable backpack harness & a HEPA filter that provides a high filtration rate of 99.97%. The max suction setting provides continuous runtime of up to 40 minutes at a max sealed suction of 11kPa & max airflow of 36 L/s. This is a skin only, Battery & Charger sold separately.