20x25x4 Air Filter MPR1550 MERV12 Electro 4-Pack 19.88×24.63×4.31
Fits systems calling for a filter thickness of 4.31″and larger. Size: 20x25x4. Pattern: Air Filter. Compatible Devices: Air Conditioner, Furnace. Part Number: NDP03-4IN-4. EU Spare Part Availability Duration: 1 Years.