FINE FILTER FINE FILTER | FILTER CLASSES G4 > F9 - MERV 6 > MERV 15 MODEL | Hi-PACTYPE | Bag Filter Glass Fiber MEDIA | Glass Fiber SPECS | 12” > 36” F5 > F9 MODEL | Poly-PACTYPE | Polyester Bag Filter MEDIA | 100 % High Lofted Polyester SPECS | 12” > 25” G4 > M5 MODEL | Super-PACTYPE | Bag Air Filter Synthetic MEDIA | Blend of Synthetics SPECS | 12” > 36” G4 > F9 MODEL | Rigid-PACTYPE | Flat, Single, or Double Header GI MEDIA | Blend of Synthetics SPECS | 6” | 12” F5 > F9 MODEL | V-CellTYPE | V-CELL MEDIA | Micro Glass Fiber SPECS | 12” M6 > F9 MODEL | C-CellTYPE | Galvanized Steel/ Aluminium Fram MEDIA | Micro Glass Fiber SPECS | 1″/2″/4″ | F6/F7/F8/F9