2015-06-10 www 400/450 Series – Up to 700/950 CFM 400/450系列烟气过滤器 尺寸:22.5″L x 20″W x 19.5″H 重量:约50-100磅 过滤效能:HEPA [0.3μm或更大颗粒 99.97% ] ASHRAE [0.5μm或更大颗粒 95% ] ULPA Filter [0.12μm或更大颗粒 99.9995% ] 声音范围:60 dba