Snow Joe ASHJ201 Ash Vacuum | 4.8 GallonASH IT OUT. The Snow Joe ASHJ201 4. 8 gallon Ash Vac is designed for cold ash pickup from wood stoves, pellet stoves, fireplaces, firepits, and BBQ grills. Equipped with a dual filtration system that employs both a coarse dust pre filter and a fine dust pleated filter, the Ash Vac effectively traps dust particles during the ash cleaning process and prevents them from escaping into your breathing space. No more dusty mess around your home! Operation is