As stationary filtering units – STRONG are proper solutions for cleaning the air from dry dust, arising during various manufacturing processes, in metal processing industry, chemical industry, food production, pharmaceutics, plastic processing and others. Especially, they are appropriate for dust capturing during grinding. Maximum temperature of the conveyed air is 60°C. Due to the automatically regenerated cartridge filter of polyester fabric, the dust particles are separated on the outer surface of the filter. Subsequently, the impurities are struck cyclically down by impulses of compressed air.