Replacement Filter, , Filter Type , Performance Rating Unrated, Actual Depth 9 in, Actual Height 12 3/4 in, Actual Width 9 in, Compatible Grainger Part Number 787CK6, Compatible Manufacturer Model Number Mfr. No. AC9400W, Number of Filters 1, Media Material Standard Mix (60 Percent Coco, 49 Percent Purapel), Filter Layer Type , Filters Down To 0.3 micron, Filters Out Allergens, Dust, Mold Spores, Odors From Pets, Smoking and Cooking, Pet Dander, Plant Pollen