Purafil is made from potassium permanganate. It works in a different manner than carbon.  Harmful contaminant gases such as Formaldehyde, hydrogen sulfide, sulfur dioxide, nitrogen dioxide, nitric oxide are actually oxidized and are trapped within the pellet. This Product is generally not used as a sole media. Aireox has researched and found that mixing Purafil and carbon is more effective. See Purafil / Carbon Mix.

Typical Contaminants Controlled by Purafil

Substance A-Z           

Substance A-Z       

Acetaldehyde Ethyl Ether
Acetic acid Ethyl Mercaptan
acetone Ethylene – industrial gas, odorless
Acetylene – Industrial gas, odorless Formaldehyde
Allyl Disulfide Hydrogen Sulfide
Ammonia Indole
Amyl Acetate Isopropy alcohol
Butyl Ether Isovaleric Acid
Butyl Mercaptan – Skunk odor Methyl alcohol - antifreeze
Butylene – Industrial gas, odorless Methyl Ethyl Ketone
Butyraldehde Methyl Mercaptan – Odorant in natural gas
Butyric acid Nicotine – Tobacco Smoke
Cadverine Nitrogen Dioxide – toxic – irritating gas (See Side note:)
Caprylic Acid Nitrogen Oxide – toxic – irritating gas
Carbon Disulfide Phenol
Carbon monoxide – toxic gas - odorless Propionic acid
Chlorophenol Propyl Ether
Cresol Putrescine
Dioctyl Pthalate Skatole
Dipropyl Ketone Sulfur Dioxide- toxic – irritating gas
Ethyl Acetate – nail polish remover Toluene
Ethyl alcohol Trimethylamine- fish odor
Ethyl Benzene Xylene

Side Notes:

Carbon monoxide is an odorless, colorless and toxic gas. The fumes are impossible to see, taste, or smell; and can affect your health before you are aware it is in your home. It is a temporary atmospheric pollutant in some urban areas, chiefly from the exhaust of internal combustion engines (including vehicles on the road or in attached garages, portable and back-up generators, lawn mowers, power washers, etc.), but also from incomplete combustion of various other fuels (including wood, coal, charcoal, oil, paraffin, propane, natural gas, trash, and tobacco smoke). Our Purafil/Carbon mix in our D-Model is the only filter that will remove this harmful toxin.

Nitrogen dioxide is produced by atmospheric nuclear tests, and is responsible for the reddish color of mushroom clouds.

Toluene is a common solvent, e.g. for paints, paint thinners, silicone sealants, many chemical reactants, rubber, printing ink, adhesives (glues), lacquers, leather tanners, and disinfectants. Inhalation of toluene in low to moderate levels can cause tiredness, confusion, weakness, drunken-type actions, memory loss, and nausea, loss of appetite, and hearing and color vision loss.

Ammonia has the appearance of a colorless gas with a sharp/pungent odor. It can be found in household cleaners, wax removers, and glass cleaners. Ammonia is widely used in fertilizers, plastics, explosives, and smelling salts.

Acetaldehyde is colorless, used in production of perfumes, polyester resins, and basic dyes. It is manufactured by oxidation of ethyl alcohol and by catalytic hydration of acetylene. It is considered to be an irritant rather than a corrosive hazard in which the vapors can cause severe eye, lung, and skin irritation.

Isopropyl Alcohol is commonly used in spray perfumes as a diluent, in cleaning agents, dehydrating agents, preservatives, and in coating solvents. Inhalation can cause irritation to the respiratory tract while higher concentration exposure can cause headache, dizziness, fatigue, and possible death.

Sulfur Dioxide is a colorless gas with a pungent odor that is very toxic to humans. Some of the applications that sulfur dioxide is used for are food preservation, fungicide, and in the brewing industry