Air supply full mask(silica gel material)
Product Name: Air supply sealing full mask
M4 Air supply sealing full mask is made of silica gel complex material, weight light.face part sealed in five points.
It can be used together with PRF102R, PRF-103R or PRF-104H respirator. When using with PRF-103R, the M4 can be used as a normal negative pressure dust and poison proof mask when the main body does not work. It's the best choice for protecting operators from occupational diseases.