Item include:

• Option 1: 1*mask, 2*2091 filter cotton

• Option 2: 1*mask, 2* 3#filter box, 10*cotton filter, 2*filter cap

• Option 3: 1*mask, 2* 7#filter box, 10*cotton filter, 2*filter cap

• Option 4: 1*mask, 2* 4#filter box, 10*cotton filter, 2*filter cap

• Option 5: 1*mask, 2* 3#filter box, 10*cotton filter, 2*filter cap, 2*2091 filter cotton

• Option 6: 10*filter cotton

▼#3 filter element:

used to prevent organic gases and gases: benzene, chlorine, acetone, alcohol, aniline, disulfide, carbon tetrachloride, methyl bromide, chloropyridine, ethyl chloride, phenol, etc.
Suitable for spray paint and pesticide spraying.

▼#7 filter cartridge:

Prevent acid gases and vapors：sulfur dioxide，chlorine gas，hy-drogen sulfide，nitrogen oxides，phosgene，phosphorous and phosphorus-containing organic pesticides.

▼#4 filter cartridge:

to prevent ammonia，and ammonia derivatives such as alkaline gas

2091 filter cotton: particles, welding fume, nuclear radiation dust, glass fiber, etc.