20x20x3 Air Filter, Upgrade 20x20x3 MERV 13 Air Filter with up to 6 Months of Service Life,20 x 20 x 3 Air Filters for Home, Professional Air Filter Manufacturer
【Upgraded design】A self-sealing flexible gasket has been added to the outside of the product, which makes it compatible with most filters with only a one-inch grille. It also reduces friction between the product and the grille, which greatly improves service life.
【Dimensions: External】 dimensions (including gasket) - 20''x20''x3'', Internal dimensions - 18-3/8'' x 18-3/8'' x 3''. This upgrade makes it easy to install filters in many homes across the country without having to modify your system.
【PROFESSIONAL AIR FILTER MANUFACTURER】 We focus only on how to improve air purification and product longevity, and our store is full of air filter cartridges. Choose a professional brand and enjoy a healthy life
【SGS Inspection Report】 The raw materials of the products have been tested by SGS and have relevant inspection reports.See specific details at A+ Content
【After-sales Service】 Reply and provide solutions within 24 hours, we provide the best service to build a professional brand.
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