(1)The pump long tube respirator is a respirator which use a small air compressor to supply the users air ,the air which meet the air quality standards of fresh air through compression, separation filter after supply users;

(2)This is a kind of protective equipment to protect the safety of the human respiratory system. According to the size of the air pump, available for 1-4 people, without time limit;

(3)Components: full face mask & demand valve, shoulder and waist strap, long rubber tube, filtration systems, air compressors, constant current supply type long tube respirator