Makita 191X29-2 is engineered for use as a filter assembly in dusty environments. It is made of high-quality materials for long product life. It attaches quickly and easily for added user convenience.Filter assembly for use in dusty environmentsHigh quality materials for long lifeAttaches quickly and easily for added user convenienceFor use with Makita 40V max XGT� High Speed Dust Blower model GSA01.