The square vent is available in both aluminum or galvanized materials. Its heavy integral screen is rust free and provides 50 square inches of net free area. The one piece dome construction provides greater strength. It is louvered on three sides for maximum air flow. It fits all roof types and is good for 3/12 to 10/12 roof pitch. It has a 16-3/4"x18-3/4" base, a 9-1/2" diameter opening and an 8"x8" aluminum screen. Color is mill.
- Aluminum or galvanized
- Heavy rust free integral screen
- 50 square inches of net free area per piece