Three sides louvered for greater air flow. Large nailing flange. All-aluminum, rust-free construction. Fits all pitched roofs. Weathertight seamed collar. High profile for increased weather protection and circulation. Prevents roof discoloration. Birdproof. 30 sq-in of net-free ventilating area. 12-3/16 in x 17-3/4 in x 4 in overall size. Miami Dade County approved. Online purchases are in packages of 6.
| Id | 156683 |
| SKU | 6518997 |
| PartNo | 730B |
| UPC | 035358331063 |
| Country of Origin |  USA |
| Net Free Ventilating Area | 30 Sq-in |
| Material | Aluminum |
| Color | Black |
| Overall Width | 12-3/16 In |
| Overall Height | 4 In |
| CID | 9 |
