Understanding Air Purifiers and Dust Control

What percentage of particles as small as 0.3 microns can True HEPA filters capture?

99.97%

True HEPA filters are designed to be highly efficient at capturing small particles.

95%

This percentage is slightly lower than the actual efficiency of True HEPA filters.

90%

True HEPA filters perform better than this percentage.

85%

True HEPA filters are significantly more efficient than this.

True HEPA filters can capture 99.97% of particles as small as 0.3 microns due to their dense fiber construction, making them ideal for improving air quality.

How do True HEPA filters trap particles through diffusion?

Particles collide with gas molecules and stick to fibers.

This process involves tiny particles moving erratically and being captured by the fibers.

Particles are electrically charged and attracted to fibers.

This description aligns more with how ionizers work, not True HEPA filters.

Particles pass through a chemical reaction that traps them.

Chemical reactions are not involved in the mechanism of True HEPA filters.

Particles are absorbed into a gel-like substance.

True HEPA filters do not use absorption by a substance like gel.

In diffusion, tiny particles collide with gas molecules, causing them to move erratically and get trapped within the dense fibers of True HEPA filters.

Which of the following is NOT a common use for True HEPA filters?

Removing odors

True HEPA filters focus on trapping particles, not odors.

Reducing dust

Dust reduction is a primary function of True HEPA filters.

Capturing pollen

True HEPA filters are excellent at trapping allergens like pollen.

Filtering smoke

Smoke particles are effectively captured by True HEPA filters.

True HEPA filters excel at capturing particles such as dust, pollen, and smoke but do not specifically target odors, which require activated carbon filters.

During wildfire seasons, why are True HEPA filters recommended?

They capture fine smoke particles effectively.

Wildfire smoke contains fine particles that True HEPA filters are designed to trap.

They release ozone to neutralize pollutants.

Ozone release is not a feature of True HEPA filters; it's associated with ionizers.

They remove carbon monoxide from the air.

True HEPA filters focus on particle capture, not gases like carbon monoxide.

They primarily remove odors from smoke.

Odor removal is handled by activated carbon, not True HEPA filters.

True HEPA filters are recommended during wildfires because they can capture smoke particles, which are often smaller than 1 micron, thus improving indoor air quality.

Which technology is most effective at trapping airborne dust?

True HEPA filters

This technology is known for its high efficiency in capturing small particles.

Ionizers

Ionizers work differently and may not trap all airborne particles effectively.

UV light purifiers

UV light targets biological contaminants rather than dust particles.

Electrostatic air cleaners

While these can capture some dust, they are not as efficient as True HEPA filters.

True HEPA filters are the most effective technology for trapping airborne dust, capable of capturing 99.97% of particles as small as 0.3 microns.

What is the main limitation of ionizers in air purification?

They may produce ozone as a byproduct.

Ozone production is a known concern with some ionizers and can affect air quality negatively.

They cannot capture large dust particles.

Ionizers affect small particles more than large ones, which are often caught in other ways.

They consume too much energy compared to other purifiers.

Energy consumption is typically not the primary concern with ionizers.

They are too noisy for regular use.

Noise levels are generally not a significant issue with ionizers compared to other factors.

Ionizers can produce ozone, which may pose health risks and affect indoor air quality negatively, making them less ideal compared to other purification methods like True HEPA filters.

Which type of filter is primarily used for removing odors and gases?

Activated carbon filters

These filters specialize in adsorbing gases and odors effectively.

True HEPA filters

True HEPA focuses on trapping solid particles rather than gases or odors.

UV light purifiers

UV light targets biological contaminants but does not remove odors or gases directly.

Electrostatic air cleaners

These are more effective with particulate matter than gases or odors.

Activated carbon filters are designed to remove odors and gases from the air through adsorption, complementing particle-trapping technologies like True HEPA filters.

How should air purifiers be used during high pollution periods?

Run continuously in high-performance mode.

Continuous operation in high mode ensures maximum air cleaning during pollution peaks.

Operate only when the air feels dusty.

Regular use, especially during high pollution periods, ensures better air quality control.

Use only at night when pollution is less severe.

Pollution levels can vary; consistent use throughout the day is often recommended.

Turn off when leaving home to save energy.

Keeping the purifier on ensures clean air upon return, especially during high pollution times.

During high pollution periods, running air purifiers continuously in high-performance mode ensures maximum efficiency in trapping pollutants and maintaining healthy indoor air quality.

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2003년부터 OEM ODM 제조업체