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Some benefits of air purifiers are that they can help improve indoor air quality, reduce allergy and asthma symptoms, remove odors and smoke, and filter out harmful pollutants and viruses. Air purifiers with HEPA filters can capture up to 99.97% of airborne particles as small as 0.3 micrometers, such as dust, pollen, pet dander, and mold spores. Air purifiers with activated carbon filters can absorb gases, chemicals, and odors from cooking, smoking, or pets. Air purifiers can also help you sleep better, boost your immunity, and lower your blood pressure by providing cleaner and fresher air .

To choose the right air purifier for your needs, you should consider the following factors: the size of the room or space where you want to use the air purifier, the type of pollutants or allergens you want to filter out, the clean air delivery rate (CADR) of the air purifier, the type and cost of the filters, the noise level and energy consumption of the air purifier, and the features and functions of the air purifier. You can compare different models of air purifiers based on these criteria and read customer reviews to find the best fit for your home or office .

The answer to this question depends on the seller or manufacturer of the air purifier. Some online retailers, such as Amazon, offer international shipping for certain air purifiers, but you may have to pay extra fees for shipping and customs. Some manufacturers, such as US Air Purifiers, have specific models of air purifiers that are designed for 220V and have different plug options for different countries. You can contact them for a price quote and shipping details . However, some manufacturers, such as Austin Air, do not offer international shipping or warranties for their air purifiers. You should always check the shipping policy and the warranty information of the air purifier before you buy it.