ReservePro Furnace Filters

• GF 4511/ 4541 16x25x5 Fits MAC 1400. MERV 11 Rated. Actual Size 15 5/8" x 24 3/16" x 4 15/16"

• GF 4501/ 4551 20x25x5 Fits MAC 2000. MERV 11 Rated. Actual Size 19 5/8" x 24 3/16" x 4 15/16"

• GF 4531/ 4556 20x20x5 Fits MAC 2020. MERV 11 Rated. Actual Size 20 3/4" x 19 3/4" x 4 15/16"

• GF 4521/ 14164 16x25x3 Fits MAC 1200. MERV 8 Rated. Actual Size 15 7/8" x 24 1/4" x 3"

• 12758/ GFI 4001 Fits AC-1, AC-3, and AC-22. MERV 11 Rated

• 13415/ GFI 4401 Fits Model AC-4. MERV 11 Rated

• 13156/ 401/ GFI 4051 Fits Model AC-24. MERV 11 Rated

• 201 / GFI 4050/ 12880 Generalaire 201 for Aprilaire Models 2200 and 2250. MERV 11 Rated