The Atrix VACO22VDC Omega Cordless Immediate Containment Vacuum, ULPA Filtration is an excellent immediate containment option for hazardous particulate applications. This cordless ULPA vacuum offers self-storage and contained accessories, built-in full filter indicator light, brushless digital motor, 30+ minute run time and 1 hour rechargeable battery. It is a powerful vacuum with its 190-watt cleaning power but quiet at only 67 decibels. The one gallon ULPA filter, manufactured with Pentair brand media, is 99.999% efficient at .12 micron and includes three layers of 56 pleat media. The three layers consist of one cellulose layer and two glass layers. The ULPA filter captures everything from hazardous particulate to lead dust/chips-RRP (Renovation, Repair and Painting), silica dust, fiberglass, mold, etc. This vacuum includes a permanent heavy duty retention plug to ensure safety when transporting or storing. The cordless tool box structure makes this vacuum convenient for applications where corded versions are inconvenient or simply not an option.