Because, if it doesn't fit. It doesn't filter.
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We make your permanent custom sized frame of sturdy aluminum and a permanently attached electrostatic charged screen. They won't bend, melt or warp like plastic or cardboard furnace filters. Odd size furnace filter? It's the last furnace filter you will ever purchase.
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Air Filtration Options:
You'll choose from many types of air filtration refills for your new furnace filter. You can use our popular BioSponge plus®, or our ultra-efficient MicroSponge® refills in your new filter. Both offer outstanding protection from airborne contaminants!
Select the refills that fits your needs. You can also choose to add an activated carbon refill, if you wish to control odors and V.O.C.'s.
Continue reading about these amazing Furnace filters
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Fresh Air Delivered to your door Each air filter arrives ready to install, nothing to assemble. Completely backed by the Air Sponge money-back guarantee. Clean, fresh air and so convenient -- why wouldn't you give it a try?
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