The shell of the Haigu HG-600 half face mask is made of high-strength PC material, which is small in size and light in weight; The mouth and nose mask is made of silicone material, which is safe and non-toxic; Low respiratory resistance design, detachable and washable throughout the body. Dual checkpoint design. Widely used in industries such as petroleum, chemical production, mining production, fire rescue, pesticide spraying, spray painting and decoration for toxic and harmful environments.