NOTE: This Tank Assembly is in Titanium Tank Assembly in Titanium fits Select BISSELL Upright Vacuum Cleaners, including BISSELL MultiClean Allergen Lift-Off Pet, series 2852, 2853, 28522, 2998. To maintain the Tank Assembly and Emptying, follow these instructions: Press the Dirt Tank Release Button and Grab the handle to pull Dirt Tank away from vacuum. Hold the Dirt Tank over a trash bin and press the Empty Button. Once emptied, snap bottom back into place. Return the Dirt Tank to the vacuum by securing the bottom in place first and then pushing back until you hear a "click". Tank Assembly - Titanium for Select Vacuums 1624039