Westinghouse 1804 Air Purifier True HEPA Filter Replacement (Set of 4) Compatible

<p>Protect yourself from harmful allergens with a Westinghouse air purifier. Using its innovative NCCO air purification technology in every unit, Westinghouse has made the air in our homes safer to breathe.</p> <p>Each Westinghouse air purifier is also fitted with a True HEPA Filter, which captures 99.97% of airborne pollutants, foul odor, pollen, and other allergens as small as 0.3 microns. This HEPA filter replacement fits the 1701 and 1903 air purifier models and can last up to 3,000 hours of use. You’ll know when the air cleaner filters need to be changed via a replacement indicator on the unit.</p> <p>Keep your home safe with a Westinghouse True HEPA air purifier filter.</p>

• MEDICAL GRADE TRUE HEPA FILTER: The H13 medical grade True HEPA filters 99.97% of airborne pollutants, dust, pollen, and other allergens as small as 0.3 microns.
• LONG-LASTING AIR FILTER: All Westinghouse 1804 HEPA air filter replacements can be used up to 3,000 hours of operation; an indicator light on the unit will let you know when it’s time to replace; An indicator on the unit notifies you if the filter needs to be changed and also when you’ve installed the filter incorrectly
• EFFECTIVE AND SAFE: Trap dust mites, pollen, and other allergens with a True HEPA filter guaranteed to work effectively so you can breathe easy