This respirator Filters Protect Against organic gas and vapor. Such as benzene, chlorine, acetone , alcohol type carbon bisulfate carbon tetrachloride, chloroform, ethyl bromide, methyl chloride, nitro-paraffin, chloropicrin and so on. Used With FD-1 or FD-2 Half Face Respirator.

This respirator Filters Protect Against acidic gas and vapor, Such as the carbon dioxide, the chlorine, the hydrogen sulfide, the nitrogen oxide, the carbonyl chloride, the phosphorus, and contain the chlorine organic agricultural chemicals and so on. Used With FD-1 or FD-2 Half Face Respirator

Gas respirator filters for acid gas and sulfured hydrogen of  low toxicity, Used with Half Face Respirator FD-3 

The dust respirator Filters used with FD-5 and FD-6 Half Face Respirator. Protects against gas, smog, paint and dust . 

Dust respirator filters for nuisance, Toxic dusts, fumes& metallic fumes of low toxicity. Used with FD-7 and FD-8 Half Face Respirator

Gas respirator filters for organic vapors, mists and fumes of low toxicity . Used with FD-7 and FD-8 Half Face Respirator

Gas respirator filters for spray painting and organic vapors of low toxicity . Used with FD-7 and FD-8 Half Face Respirator

This respirator filters with Metal box , Used for Benzene, Gasolene, Acetone, Carbon Bisulfide, Aether and other Organic Gas. Used with Half Face Respirator FD-9.