[Paper filters for purification of air from microorganisms and dust in ventilation].
D000397:Air Pollution; D004391:Dust; D006801:Humans; D010209:Paper; D012119:Respiration; D014691:Ventilation
D004391:Dust
AIR POLLUTION; VENTILATION
Bumazhnye fil'traty dlia ochistki ventiliatsionnogo vozdukha ot mikroorganizmov i pyli.