All aluminum construction. Includes 8 in x 8 in perma-coated aluminum screen extended to the edges of the cap. Large nailing flange. Rolled flange on vent stack to prevent weather infiltration. A 550S with a taller throat for use on a shake roofs is available. 50 sq-in of net-free ventilating area. 15-3/8 in x 16-1/2 in x 4 in overall size.
Product specification\n\n
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| Brand | Lomanco |
|---|---|
| UPC | 035358314301 |
| Model Number | 550PROBR |
| Feature | Include a birdproof design, a weathertight seamed collar and a high-profile and rolled flange on the vent stack for superior weather protection and circulation |
| Category | HARDWARE |
| Additional Category | Static Vents |
| Length | 25.0 |
| Width | 17.0 |
| Height | 18.0 |
| Weight | 9.3 |
