... , roof filter, sticky filter, air filter, paint spray booth filter) 1. Low initial resistance 2· Large dust holding ... μm particles,especially for the top part of spray booth,prefiltration mesh to reinforce through airfilter system, diffluent equallyType ... 55 %(ASHRAE52.1-1992)EUROVENT4/5 class: EU5DIN53438 Non-flammability Standard: F1Final resistance: (suggested) 400PaMax. Dust holding capacity: 450g ...