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      FAQ

      More information that you might need.

      How often do I need to change the air filter?

      Changing the air filter is easy and there will a red flashing indicator when it's time to do so. Sterra Moon Air Purifier is able to measure and know how dirty your air is and let you know when it's time to change it. Typically an air filter can last as long as 6 months!

      What's UV technology?

      UV technology uses UV light to fully eradicates airborne pathogens and microorganisms like mold, bacteria, viruses and other tiny harmful microbes in the air. UV is also used for germicidal use in hospitals to improve indoor air quality for residential HVAC systems.

      How many Sterra Moons do I need for my home?

      Sterra Moon covers up to 35m2, so you can order based on the size of you home.

      How do I use the Sterra Moon Air Purifier?

      It's a very simple plug and play system. All you have to do is place your Sterra Moon Air Purifier in a location of your choice and turn it on.


      You can toggle between different fan speeds (High, medium and low) by tilting the "eye" of the air purifier.

      How long does shipping take?

      Shipping within UK takes only 1 - 2 weeks!

      What is your return policy?

      We offer 30 day 100% money back guarantee if you are not satisfied with your Sterra Moon Air Purifier. No questions asked.

      What is the size of the air purifier & how heavy is it?

      Dimensions (cm): 24.4D x 24.4W x 54.4H


      Weight (kg): 3.7

      Do I still need an air purifier when I have air conditioning?

      One of the myths about air purifiers is that an air-conditioned room doesn’t need an air purifier. In reality, air conditioning usually worsens indoor air quality rather than improve it. Air conditioning works by circulating already present air in the room. This is stale and polluted indoor air. This means for air conditioning to work, it has to trap indoor contaminants. Air quality decreases over time with air conditioning.

      I have sinuses every morning, can Sterra Moon Air Purifier really help?

      There have been several studies that suggest air purifiers can be helpful for managing sinus symptoms. For example, a study conducted by the American Academy of Allergy, Asthma & Immunology found that using air purifiers can reduce symptoms in individuals with allergic rhinitis, which includes sinus symptoms.


      Another study published in the Journal of Asthma and Allergy showed that air purifiers can effectively reduce indoor air pollution and improve respiratory symptoms, including those associated with sinus issues. In conclusion, there are scientific evidence to support the use of air purifiers like the Sterra Moon Air Purifier for managing sinus symptoms.

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