Anti -dust respirator

The utility model relates to an anti -dust respirator, it includes frenulum, gauze mask main part, breathing cavity and breathes the pneumatic valve, breathing cavity sets up in the middle part of gauze mask main part to be located gauze mask main part top, be provided with a pair of breathing pneumatic valve installing port of inside and outside intercommunication in the breathing cavity bilateral symmetry, breathe the cover of pneumatic valve one end and be provided with the one deck filter screen, install in the installing port, breathe pneumatic valve other end cover and be equipped with air intake hood, and threaded connection between the air intake hood, and evenly be provided with a plurality of round holes on the air intake hood, be provided with gas filtering apparatus between filter screen and air intake hood, frenulum fixed mounting is at gauze mask main part both ends. The advantage is reasonable in design, and simple structure is dustproof effectual, breathes happyly, andthe volume is less, the a