# Master Flow 12 in. Galvanized Internally Braced Turbine Head Weathered Wood

**Brand:** [Master Flow](https://shop.coreranger.com/brands/Master%20Flow)
**Price:** $55.61–$78.75 · in stock
**URL:** https://shop.coreranger.com/product/master-flow-12-in-galvanized-internally-braced-turbine-head-weathered-wood-314591645

## Options

- **Color/Finish:** Black, Mill, Silver, Weatherwood
- **Material:** Aluminum, Galvanized Steel

## Variants

| Variant | SKU | Price | Stock |
|---|---|---|---|
| Black / Galvanized Steel | GTH12IBL | $55.61 | in stock |
| Mill / Galvanized Steel | GTH12IMI | $56.66 | in stock |
| Weatherwood / Galvanized Steel | GTH12IWW | $59.49 | in stock |
| Silver / Aluminum | ATH12IMI | $78.75 | in stock |

## Specifications

| Spec | Value |
|---|---|
| Bracing | Internally Braced |
| Features | Paintable |
| Material | Galvanized Steel |
| Power Type | Wind Powered |
| Returnable | 90-Day |
| Color Family | Bronze |
| Color/Finish | Weatherwood |
| Intake/Exhaust | Exhaust |
| Mounting Position | Roof Mount |
| Product Depth (in.) | 17.5 in |
| Product Width (in.) | 17.5 in |
| Product Height (in.) | 11 in |
| Product Weight (lb.) | 6.2 lb |
| Coverage Area (Sq.Ft) | 91 |
| Manufacturer Warranty | Limited Warranty |
| Product Width x Depth | 17.5 in. x 17.5 in. |
| Net-Free Area (Sq. In.) | 91 |
| Rough Opening Width (in.) | 12 |
| Rough Opening Height (in.) | 12 |

## Description

The GAF Master Flow internally braced turbines are efficient, easy-to-install venting options for your roof. They allow heat and moisture-laden air to escape your attic, helping to extend the life of your roof. They are designed with upper and lower steel ball bearing systems for years of trouble-free operation.

• Internally braced turbine helps exhaust attic heat and moisture
• Galvanized 12 in. replacement head
• Base not included