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A single square of green, cut-to-size filter cotton meant to be trimmed to fit air purifiers, furnace intakes and vents. It is washable and reusable, so it replaces disposable panels rather than adding to them. The 19.68-inch square gives enough material for one large opening or several small ones. It is a coarse pre-filter, not a HEPA replacement: it catches lint, dust and pet hair and lets air pass freely, so it protects the pleated filter behind it. Shoppers who want cheap, low-resistance dust control for vents and older purifiers are the fit; those needing fine particle or allergen filtration should look at a rated HEPA filter instead.
In stockSold by CHEN MANReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
This is a washable, reusable air filter pad made of cotton filter media. It is sold as a single piece measuring 19.68 x 19.68 inches and can be cut to size.
The pad is intended for use with furnaces, air purifiers and ventilation systems.
