An activated carbon filter has the ability to capture and trap gas molecules. The surface of the activated carbon filter consists of millions of tiny pores. Thanks to these pores, many substances spreading odors and toxic gases are captured.
Activated carbon filters should be replaced depending on the ambient air pollution and frequency of use. For example, in a smoking environment, activated carbon filters should be replaced every 3 to 6 months.
Activated carbon filters cannot filter every gas at the same rate. To see which gases and at what rate an activated carbon filter can hold, please check the table below.
In this table, for each gas, you will see numbers from 1 to 4. These numbers indicate the rate at which the filter can capture the gases in question.
1-Poor 2-Medium 3-Satisfactory 4- Very good
| Wood alcohol | 3 | Gas oil | 4 | Naphtha (petroleum naphtha) | 4 |
| Air-Wick | 4 | Masking agents | 4 | Naphthalene | 4 |
| Acrylic acid | 4 | Fertilizer | 3 | Naphthaline | 4 |
| Acrylonitrile | 4 | Hospital smells | 3 | Nicotine | 4 |
| Acrolein | 3 | Animal odors | 3 | Nitric acid | 3 |
| Alcoholic beverages | 4 | Hexane | 4 | Nitrobenzenes | 4 |
| Amyl alcohol | 4 | Hexyne | 3 | Nitroethane | 4 |
| Amyl acetate | 4 | Hexylene | 3 | Nitroglycerine | 4 |
| Amyl ether | 4 | Heptane | 4 | Nitrogen dioxide | 2 |
| Amines | 2 | Heptylene | 4 | Nitromethane | 4 |
| Ammonium | 2 | Hydrogen | 4 | Nitropropane | 4 |
| Anesthetic | 3 | Hydrogen bromide | 1 | Nonane | 4 |
| Aniline | 4 | Hydrogen chloride | 2 | Octalene | 4 |
| Antiseptics | 4 | Hydrogen cyanide | 2 | Octane | 4 |
| Acetic anhydride | 4 | Hydrogen sulfide | 3 | Ripe fruits | 4 |
| Acetic acid | 4 | Radiation-emitting products | 2 | Organic compounds | 4 |
| Acetylene | 1 | Smell of drugs | 4 | Organic chemicals | 4 |
| Acetone | 3 | Soot | 4 | Car exhaust | 3 |
| Asphalt (Bitumen) Fumes | 4 | Iodine | 4 | Ozon | 4 |
| Wastes | 3 | Iodoform | 4 | Eucalyptol | 4 |
| Fish smell | 3 | Isophorone | 4 | Fragrance ingredients | 4 |
| Sewer smell in bathroom | 4 | Isoprene | 3 | Perfumes, cosmetics | 4 |
| Benzene | 4 | Isopropyl alcohol | 4 | Pentane | 3 |
| Borane | 3 | Isopropyl acetate | 4 | Pentanone | 4 |
| Paint fumes | 4 | Cadaverine | 3 | Pentylene | 3 |
| Spoiled food smell | 4 | Camphor | 4 | Pentine | 3 |
| Bromine | 4 | Sewer smell | 4 | Perchloroethylene | 4 |
| Butadiene | 3 | Gangrene | 3 | Cheese | 4 |
| Butane | 2 | Smell of Cancer | 4 | Phoagne | 3 |
| Butanone | 4 | Caprylic acid | 4 | Cooking smells | 4 |
| Butyl acetate | 4 | Carbolic acid | 4 | Propane | 2 |
| Butyl ether | 4 | Carbon disulfide | 4 | Propyl ether | 4 |
| Butyl chloride | 4 | Carbon tetrachloride | 4 | Propyl chloride | 4 |
| Butyl cellosolve | 4 | Carbon dioxide | 1 | Propyl mercaptan | 4 |
| Butylene | 2 | Carbon monoxide | 1 | Propine | 2 |
| Butyn | 2 | Mixed scents | 4 | Propionic acid | 4 |
| Butyric acid | 4 | Tar | 4 | Propionaldehyde | 3 |
| Butyraldehyde | 3 | Rubber | 4 | Putrescine | 3 |
| Bleach | 3 | Melon | 4 | Deodorants | 4 |
| Floral scents | 4 | Chlorobutadiene | 4 | Resins | 4 |
| Decaying materials | 3 | Chlorine | 3 | Soaps | 4 |
| Miscellaneous oils | 3 | Chlorobenzene | 4 | Garlic | 4 |
| Oxidants | 4 | Chloroform | 4 | Cellosolve | 4 |
| Dichloroethyl ether | 4 | Chloronitropropane | 4 | Cellosolve acetate | 4 |
| Dichloroethylene | 4 | Chloropicrin | 4 | Cigarette smell | 4 |
| Dichloromonophluometane | 3 | Rancid oil | 4 | Vinegar | 4 |
| Dichloropropane | 4 | Scent diffusers | 4 | Citrus and other fruits | 4 |
| Dichlorotetraphluometane | 4 | Corrosive gases | 3 | Skatole | 4 |
| Dimethylaniline | 4 | Carbonized materials | 4 | Onion | 4 |
| Dimethyl sulfate | 4 | Creosol | 4 | Solvents | 3 |
| Dioxane | 4 | Creosote | 4 | Styrene Monomer | 4 |
| Dipropyl ketone | 4 | Crotonaldehyde | 4 | Stoddard solvent | 4 |
| Diethylamine | 3 | Xylene | 4 | Sulphuric acid | 4 |
| Diesel exhaust | 4 | Mildew | 3 | Sulfur dioxide | 2 |
| Diethyl ketone | 4 | Mold | 3 | Sulfur trioxide | 3 |
| Spilled drinks | 4 | Chicken coop smell | 4 | Embalming fluid smell | 4 |
| Smoke | 4 | Staining gases | 3 | Irritants | 4 |
| Sour Milk | 4 | Methyl cellosolve | 4 | Cleaning agents | 4 |
| Industrial wastes | 3 | Methyl cellosolve acetate | 4 | Sweating and body odor | 4 |
| Ethane | 1 | Menthol | 4 | Tetrachloroethane | 4 |
| Ether | 3 | Methane | 1 | Tetrachloroethylene | 4 |
| Ethyl acrylic | 4 | Methyl acrylate | 4 | Toluene | 4 |
| Ethyl alcohol | 4 | Methyl alcohol | 3 | Toluidine | 4 |
| Ethyl acetate | 4 | Methyl acetate | 3 | Trichloroethylene | 4 |
| Ethyl benzene | 4 | Methyl bromide | 3 | Trichloroethane | 4 |
| Ethyl bromide | 4 | Methyl butyl ketone | 4 | Foul odor in the toilet | 4 |
| Ethyl ether | 3 | Methyl ether | 3 | Salted cabbage | 4 |
| Ethyl formate | 3 | Methyl ether ketone | 4 | Incense | 4 |
| Ethyl chloride | 3 | Methyl formate | 3 | Urea | 4 |
| Ethyl mercaptan | 3 | Methyl isobutyl ketone | 4 | Uric acid | 4 |
| Ethyl silicate | 4 | Methyl chloride | 3 | Valeric acid | 4 |
| Ethylamine | 3 | Methyl Chloroform | 4 | Valeraldehyde | 4 |
| Ethylene | 1 | Methyl mercaptan | 4 | Varnish smell | 4 |
| Ethylene dichloride | 4 | Methyl oxide | 4 | Vinyl chloride | 3 |
| Ethylene chlorhydrin | 1 | Methylene chloride | 1 | Body odors | 4 |
| Ethylene oxide | 4 | Methyl methacrylate | 4 | Fuel gas | 3 |
| House odors | 4 | Methylcyclohexane | 4 | Burnt meat | 4 |
| House odors | 4 | Methylcyclohexanol | 4 | Burnt food | 4 |
| Pet odors | 4 | Methylcyclohexanone | 4 | Waste oil | 4 |
| Phenol | 4 | Abattoir Stench | 3 | Burning smell | 3 |
| Film tab odors | 4 | Popcorn and candy | 4 | Adhesives | 3 |
| Trichlorofluoromethane | 4 | Monofluorotrichloromethane | 4 | Adhesives | 4 |
| Formaldehyde | 4 | Monochlorobenzene | 4 | Food aromas | 3 |
| Formic acid | 2 | Naphtha (coal tar) | 4 |