Product name:air filter replacement;Size:Customized Size;Efficiency:HEPA 99.99%@0.3um;Certification:BSCI CE ISO-9001:2008 Reach Rosh ISO13485;Dimensions (L*W*H):Customer;Color:Customized Color;Clean Level:ISO 5 -8(Class 100-100000);Air flow:1000-2000 M3