AprilAire 401 Replacement Furnace Filter for AprilAire 2400, Space-Gard 2400 Whole-House Air Purifiers – MERV 10, 16x25x6 Air Filter (Pack of 1)
https://www.amazon.com/dp/B003ZVK1CI?tag=dmflip-20&linkCode=ogi&th=1&psc=1
AprilAire 401 Replacement Furnace Filter for AprilAire 2400, Space-Gard 2400 Whole-House Air Purifiers – MERV 10, 16x25x6 Air Filter (Pack of 1)
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