The GeneralAire 14201 & 5FM2025 / 4501 MERV 11 Comparable 20 x 25 x 5 Filter by Tier1 (2-Pack) captures 90% of particles, 1-3 microns in size. Improve the quality of air in your home with this affordable replacement air filter by Tier1. Reduce dust, dander, and other particulates to help make a pleasant, fresh environment in your home, order today!
- MERV 11 rating captures 90% of particles, 1-3 microns in size
- Replacement for: GeneralAire 14201, 5FM2025, 4501, Trion / Air Bear 255649-102, 259112-102, 259112-105, 229990-102 and 248713-102
- General has started rounding the dimensions on their 5-inch filters. These filters still fit the same, they just no longer contain fractions in the description
- Replace the filter every 6 months