The MILWAUKEE PACKOUT Compact Debris Separator is an accessory that requires use with a wet/dry vacuum. When pairedtogether, the Debris Separator provides LESS FILTER CLOGS, CONSISTENT SUCTION, and TOTAL MOBILITY. This Dust Separator is compatible with all common wet/dry vacuum brands with 1-1/4, 1-7/8, and 2-1/2 hose diameters and can hold up to 2.5 gallons of debris. By capturing and separating 99% of common jobsite debris before it reaches the vacuum, there is less downtime spent cleaning and changingfilters,and more time working. With a compact size, PACKOUT compatibility, and organized onboard storage, the Debris Separator delivers more mobility on, off, and around the jobsite.When using with Milwaukee medium capacity wet/dry vacuums (0910, 0920, 0930), the integrated mounting clips offer secure attachment to the vacuum.The optional Caster Accessory Kit (49-90-2201) includes (4) wheels that easily connect to the bottom of the Debris Separator, offering further maneuverability throughout the jobsite. The casters are a great add-on when using the PACKOUT Compact Debris Separator with other vacuums that do notofferPACKOUT capability or mounting clips. The included 6 Expandable Hose, Multi-Fit Adapter, and transparent debris door provide an easy-to-use clean-up experience from start to finish.