Replaceable Chemical Filtering Cartridge For Chemical Respirator

1.)ABS shell, 28.5g/ 34g High-efficient active carbon installed
2.)It's can soundly filter the organic gas,smoke,dust,etc..
3.)Economic and substantial.
4.)Packing: 6pcs/color box,300pcs/carton,Meas: 39x39x39cm
5.)MOQ: 500box
6.)Delivery time: 30days after receiving deposit.