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Results 1 - 2 of 2 for Air filter
  1. Asthma: What you need to know | NIH MedlinePlus Magazine 
    ... reduce cockroach or mouse allergen exposure. Use HEPA air filtration devices to reduce airborne allergens. Change HVAC filters at least once every quarter, or more frequently ...
    https://magazine.medlineplus.gov/.../asthma-what-you-need-to-know - MedlinePlus Magazine
  2. The future of water | NIH MedlinePlus Magazine 
    ... findings led to the creation of a water filter cartridge compatible with commercial Brita pitchers. These Purefast™ ... effective option to safely decontaminate drinking water. The filters cost $45 and can filter up to 65 ...
    https://magazine.medlineplus.gov/article/the-future-of-water - MedlinePlus Magazine