Air Cleaner Filter, Filter Type Panel, Performance Rating MERV 5, Compatible Grainger Part Number 39C366, 4AYF4, Compatible Manufacturer Model Number F203-A, F412, Number of Filters 24, Filter Efficiency 20 Percent to 34 Percent, Filter Layer Type Carbon, Electrostatic, Filters Out Fumes, Odors, Frame Material Aluminum, Includes Frame Yes, Media Area 0.8 sq ft, Media Material Activated Carbon, Antimicrobial-Treated Filter Media, Electrostatically Charged Polypropylene, Expanded Cellulose Mesh Nominal Filter Size: 11 3/4 x 11 3/4 x 2 1/4 MERV: 5 Nominal Height: 11 3/4 in Nominal Width: 11 3/4 in Nominal Depth: 3/4 in For Use With: F203-A, Mfr. No. F412 Item: Air Cleaner Filter Frame Included: Yes Media Area: 0.8 sq ft Standards: ASHRAE 52.2 Test Method Filter Efficiency: 20% to 34% Filter Layer Type: Carbon, Electrostatic Filter Type: Panel Media Material: Activated Carbon, Antimicrobial-Treated Filter Media, Electrostatically Charged Polypropylene, Expanded Cellulose Mesh Includes Frame: Yes Number of Filters: 24 Compatible Manufacturer Model Number: F203-A, F412 Performance Rating: MERV 5 Filters Out: Fumes, Odors Frame Material: Aluminum Country of Origin (subject to change): Mexico Package Quantity: 3