Generalaire 4551 MERV 11 20x25x5 for MAC 2000. Replaces Part # 4501 MERV 10. Actual Size 19 5/8" x 24 3/16" x 4 15/16." - 1 Pack
- New MERV 11, Part # GF 4551, 20x25x5 Replacement Filter for Generalaire GF 4501 MERV 10
- Actual Dimensions: 19 5/8" x 24 3/16" x 4 15/16" (with foam strips)
- Fits Generalaire MAC 2000, Trion Air Bear Supreme 2000, Skuttle DB0-0025-020, & Ultravation 90-007
- MERV 11 Rated
- Includes only One Filter