Octagon and Half Octagon Vents.
Octagon Vent Stock Sizes
| Width |
Price |
Quantity |
Order |
| 12" |
62.72 |
|
|
| 18" |
78.40 |
|
|
| 24" |
88.48 |
|
|
Need a Different Size?
Don't see exactly what you're looking for?
Custom Sizes are also available check our Custom Vents page for information.
Gable Vents | Attic Vents | Cedar AirVents
Tel: (902) 875-4279
We use and Accept
Prices are for Each Individual Vent in US Dollars.
Octagons and Half Octagons add a different take on Circle and Half Circle Vents and add an angular appeal to an exterior. Like all our vents they provide excellent air flow through attic spaces.
| Width |
Price |
Quantity |
Order |
| 18" |
57.44 |
|
|
| 24" |
68.64 |
|
|
Half Octagon Vent Stock Sizes
Click the Pictures to Enlarge
NOTE:
All Vent sizes on this site refer to the
OUTSIDE measurements of the vent. A 12"x18" Rectangle has a real vent area of 9"x15".
| Net Vent Area |
| 29.82 |
| 82.84 |
| 162.37 |
| Net Vent Area |
| 41.42 |
| 81.19 |
Net Vent Area
NVA is an estimate based on current industry standards and is calculated by dividing the ventilation area of the vent by 2.25 to account for the insect screen and louvers.