3670M Dust bag capacity is up to 2.5 liters. Lightweight & Lifetable Conveniently: The lightweight vacuum cleaner weights 8.6lbs. Allows you to carry it around the whole house. Specific uses: Carpet, Stair, Upholstery, Car, Floor Whole Home Cleaning: The lightweight vacuum cleaner weights 8.6 lbs allows you to carry it around the entire house. Powerful Cleaning: The 12-amps motor provides continuous, powerful suction for deep cleanings.Messy-free Dust Bag Replacement: With the replaceable the dust bag, collect dust and pet hair easily Clean More than Carpet: With 2 extension wands and 2 specialty attachments, this vacuum can easily dust furniture, reach high ceilings, get under car seats and in crevices and corners where traditional upright vacuums can't reach.