Generalaire 6FM2025 Reservepro-2PK- 4551 Air Filter-20x 25x 5-for Old 4501-Exact Dimensions are 19 5/8x 24 3/16x 4 15/16
Brand: GFRESERVEPRO
Color: GREEN

GeneralAire ReservePro 4551 MERV 11 OEM 20X25 filters exactly fits part # 4501. GeneralAire part #4551. Nominal Size: 20" x 25" X 5" Actual Size: 19 5/8" x 24 3/16" x 4 15/16". Efficiency Rating: MERV 11 High-efficiency MERV 11 Media Filter # 4551. Fits GeneralAire GF‐2025, GF‐GAFB2832, GF‐GAFB2843, Mega‐Mac MAC2000, MAC‐L; Lennox BMAC‐20C, MAC‐10, MF1‐20; Source1 S1‐MAC10202505; Totaline P101‐MF20; Trion Air Bear 2000; York S1‐MAC10202505. High-efficiency MERV 11 Media Filter with more surface area for a longer filter life.

Please Measure Carefully ! Due to the large package size returns of this product result in high return shipping costs.
True Exact Dimensions are 19 5/8"x 24 3/16"x 4 15/16"- to replace old Reservepro #4501 and other brands with the same dimensions.
Pack of 2 Filters- Higher Efficiency Merv 11 models replaces older Merv 10 Filters.