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Who needs air purifiers? If you have strong lungs, then probably you don't need it. But most people don't so an air purifier is a great electronic appliance that you can have to protect your entire family. Air purifiers come with air filters that draw in all contaminants from your surrounding so that you can breathe a country air-like quality even if you live in the middle of the city. Winix replacement size 21 air purifier filter & cassette.
Please note the following important information about this product from Think Crucial: (i) it is a generic replacement, not a Winix® original equipment manufacturer (OEM) product; (ii) because it is not a Winix® OEM product, it is not covered by any Winix® guarantee or warranty; (iii) use of this generic replacement may violate or void Winix's® guarantee or warranty - it is entirely your responsibility to check, and entirely your risk if you decide to use this product; (iv) we do not guarantee or warrant that this generic replacement is compatible with any product from Winix® or any other provider. Please check your manufacturer's warranty with regard to the use of non-oem parts. Think Crucial provides no warranty or guarantee with regard to the product or its compatibility with your Winix® product. The Winix® brand and all Winix® trademarks belong to Winix® or its affiliates, and are used here only to explain the compatibility features of the generic replacement product.