Dirt Tank fits the 3-in-1 Turbo Stick Vacuum, Series 2610. Also fits the BISSELL Featherweight PowerBrush Vacuum, series 2773. To Empty the Dirt Tank: Turn the vacuum OFF and hold it vertically, pressing the Dirt Tank release latch. Gently pull the Dirt Tank from the hand vacuum Grip and remove the filter Empty contents of Dirt Tank into a trash bin, and gently tap against side to remove any build up Replace Filter. Attach Dirt Tank to vacuum by securely fitting onto hand grip. Make sure Dirt Tank is correctly secured. NOTE: The Dirt Tank may be rinsed with warm water and mild detergent if needed. The Dirt Tank MUST be thoroughly dried before replacing. Dirt Cup for Select Stick Vacuums 1620623