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13 x 21-1/2 x 1


Glasfloss Z-Line 13 x 21-1/2 x 1 MERV 11 ZL furnace filters excel where similar HVAC filters (Heating, Ventilation & Air Conditioning) fall short while also offering an eco-friendly design. The air filter frame is constructed of heavy-duty, moisture resistant beverage board incorporating post-consumer recycled materials making it very sturdy and easy to install and [...]

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