ZT-4 Air Plus Fume Extractor – This compact, personal air cleaning system is powerful enough to effectively filter such occupational pollutants and health hazards as smoke, chemicals, airborne dust, fumes and obnoxious odors. Activated carbon filtration traps over 80% particulant matter while the powerful extraction fan draws smoke and fumes away from your personal breathing space. Completely ESD safe, it also has an ESD wrist strap receptacle. Specs: Air Supply: long life, internal fan; Filtration: activated carbon. 6-3/8" W x 8-1/4" H x 6" D. 120VAC/60Hz.