ADJUSTABLE FURNACE FILTER BOX
All the internals are the same as the FFB and “filterdepth,” however this box comes with a removable bottom so the height can be modified in the field.
ADJUSTABLE FURNACE FILTER BOX
| Width | Height | Filter Size (Sizes may slightly vary) | Model Number |
|---|---|---|---|
| A Cabinet | 20” | 14x25x4 | AFB-AS120-F0 |
| B Cabinet | 20” | 16x25x4 | AFB-BS320-F0 |
| C Cabinet | 20” | 20x25x4 | AFB-CS520-F0 |
| D Cabinet | 20” | 24x24x4 | AFB-DS620-F0 |