respirator cartridge 1.low price, timely delievery 2.protect workers for toxic gases 3.GB2890 China certification 4.ISO 9000

respirator cartridge

1. protect workers for toxic gases

2. GB2890-2011 China certification, ISO 9000

3.low price, timely delievery

4.packing   120pcs/carton(46*31*15cm)

chemical respirator cartridge for construction and industry