Sona Filter

Air filter with activated carbon pellets to lower air pollution inside the building. Activated carbon has great ability to adsorb various pollutants from air.

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Sona filter is adsorbing following:


Smog is a serious problem in many cities and continues to harm human health. Ground-level ozone, sulphur dioxide, nitrogen dioxide and carbon monoxide are especially harmful for senior citizens, children, and people with heart and lung conditions such as emphysema, bronchitis, and asthma.


Your lungs can be very badly affected by smoke. Coughs, colds, wheezing and asthma are just the start. Smoke can cause fatal diseases such as pneumonia, emphysema and lung cancer


The human sense of smell is a primary factor in the sensation of comfort. Olfaction as a sensory system brings awareness of the presence of airborne chemicals. Some inhaled chemicals are volatile compounds that act as a stimulus, triggering unwanted reactions such as nose, eye, and throat irritation.

Volatile organic compounds

Volatile organic compounds (VOCs) are emitted as gases from certain solids or liquids. VOCs include a variety of chemicals, some of which may have short- and long-term adverse health effects. Concentrations of many VOCs are consistently higher indoors (up to ten times higher) than outdoors.

Nitrogen dioxide (NO2)

Nitrogen dioxide is an important air pollutant because it contributes to the formation of photochemical smog, which can have significant impacts on human health. Nitrogen dioxide inflames the lining of the lungs, and it can reduce immunity to lung infections.

Carbon monoxide (CO)

Breathing CO can cause headache, dizziness, vomiting, and nausea. If CO levels are high enough, you may become unconscious or die. Exposure to moderate and high levels of CO over long periods of time has also been linked with increased risk of heart disease.