The bag type dust collector is a dry dust filter. It is suitable for collecting fine, dry and non fibrous dusts. The filter bag is made of textile filter cloth or non textile felt, and filters the dust gas by the filtration of fiber fabric. When the dust gas enters the bag type dust collector, the particles are large and larger than the heavy dust, falling into the ash bucket because of the effect of gravity, and the gas containing fine small dust is in the filter material. The dust is held up so that the gas is purified. 1 product overview bag filter is a dry dust filter.