Galvanized steel provides excellent corrosion resistance and longevity.
Expanded metal screen keeps debris and small animals out of ductwork.
Riveted, heat-glued seams create a strong, moisture resistant seal.
Flanged base provides for good vent-to-wall contact and an easy caulking surface.
Long galvanized neck allows for easy union through walls to interior ducts.
Available in both horizontal (SWCT) or vertical (SWCTV) mounting.
| Part No. | Size | Quantity |
|---|---|---|
| SWCT44 | 4" x 4" | 1 |
| SWCT46 | 4" x 6" | 1 |
| SWCT64 | 6" x 4" | 1 |
| SWCT66 | 6" x 6" | 1 |

| Part No. | Size | Quantity |
|---|---|---|
| SWCTV44 | 4" x 4" | 1 |
| SWCTV46 | 4" x 6" | 1 |
| SWCTV64 | 6" x 4" | 1 |
| SWCTV66 | 6" x 6" | 1 |