The Atrix Green Supreme RRP HEPA Vacuum is compact, durable, lightweight, and convenient to use. The housing of the Green Supreme is made from high impact Starex flame retardant polymer for durability and long life. The standard RRP Approved HEPA Filtration on this unit is rated at 99.97% Efficiency @ .3 microns meeting the EPA RRP Rule for lead particle cleanup. And with optional ULPA Cartridge filter rated @ 99.999% efficiency @ .12 microns, even the smallest particles are captured with ease. This unit can also be used to safely remove BED BUGS from your home and belongings.