Festool 577705 18V 3.1Ah ERGO Bluetooth Battery Pack Item Type_Vanity Base Assembly the plastic cup is pressurized

the plastic cup is pressurized forcing the liner on the inside the H/O cup to start to collapse

and New Jersey

No messy stir stick

lid and built-in filter are all disposable

Festool 577705 18V 3.1Ah ERGO Bluetooth Battery Pack Item Type_Vanity Base Assembly the plastic cup is pressurizedFunctions Ergonomic, lightweight design for perfect handling with Festool cordless sanders; Bluetooth enables the CLEANTEC mobile dust extractor to be started automatically when the cordless tool is switched on (use of a Bluetooth compatible mobile dust extractor is required); not compatible with all other Festool cordless tools. Compatible with RTSC 400, DTSC 400, and ETSC 125 cordless sanders. Bluetooth enables the CT Dust Extractor to be started