The Makita 18V LXT® (36V) Cordless 2 Gallon HEPA Filter Wet/Dry Dust Extractor/Vacuum (XCV11Z, sold separately) is a portable and powerful cleaning solution. For increased ease-of-use, the Shoulder Strap (162523-7) is a convenient solution for use with the XCV11Z. It installs quickly and easily, and is constructed with high quality materials for long service life.