20x20x4-3/8 MERV 10 Replacement Honeywell air filters. Case of 5
- Exact Filter Size: 20 x 19-7/8 x 4-3/8 | Nominal Size: 20x20x4 or 20x20x5 | 20x20x4.375
- Filtration Rating: MERV 10 | FPR 6-7 | MPR 600-700
- Particles Captured: Bacteria, Dust Mites, Dust, Lint, Mold Spores, Pet Dander, Pollen
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