FRS-30初效过滤棉 •可清洗性强 •初阻力低 •容尘量高 •有弹性 •经济实用用途：主要过滤对象:≥5μm,:粗尘过滤,尤其适用于空调、火车、地铁等空气过滤系统预过滤类型：过滤垫或过滤卷滤料：密度逐级加高的合成纤维,迎风面为蓝色可洗性：可反复清洗4-5次EN 779 级别：G3平均计重效率：88%（ASHRAE52.1-1992）EUROVENT4/5级别：EU3DIN 53438 阻燃标准：F1终阻力：（建议）150Pa-（最大）250Pa容尘量：520g/?耐温：100℃FRS-30 Air inlet cotton •Washable and reusable •Low initial resistance •large dust holding capacity •Flexible •Economical and practicalApplication: ≥5μm, Filter dust , (especial used in the train or the subway, where the place has air-conditioning), pre-filter through air filter programType: supply slices or rolls sizeMedia: synthetic fiber with gradual density, inlet side is blue colorWashable: about 4-5 timesEN779 class: G3Average arrestance:88%（ASHRAE52.1-1992）EUROVENT4/5 class: EU3DIN53438 Non-flammability Standard: F1 Final resistance: (suggest) 150Pa-250PaMax. Dust holding capacity: 520g/?Temp. resistance: 100℃