RHZK系列正压式空气呼吸器是一种自给开放式空呼吸器,广泛应用于消防、化工、船舶、石油、冶炼、仓库、试验室、矿山等部门。供消防员或抢险救护人员在浓炯、毒气、 RHZK series positive pressure air respirator is a self-contained open empty respirator, widely used in fire fighting, chemical, shipbuilding, petroleum, smelting, warehouses, laboratories, mining and other departments. For firefighters or rescue workers in thick Jiong, gas,