Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
12 in. Galvanized Internally Braced Turbine Head in MillThe 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. Dual bearing system with encased design helps to prevent dirt, dust, sand, and other foreign materials from damaging the bearing, resulting
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.- Dual-bearing system with encased design helps to prevent dirt, dust, sand, and other foreign materials from damaging the bearing, resulting in a smother spin
- Permanently lubricated track system of dual bearing system ensures years of trouble-free spinning
- Head has heavy-duty steel spider braces for strength and durability
- Fits most other 12 in. turbine brands
- Galvanized construction
- Mill finish
Features
| Item Weight | 6.2 |
| Material | Galvanized Steel |
| Bracing | Internally Braced |
| Intake/Exhaust | Exhaust |
| Color/Finish | Mill |
| Screen Included | No |
| Power Type | Wind Powered |
| Product Weight (lb.) | 6.2 |
| Returnable | 180-Day |
| UV Resistant | No |
| Features | Paintable |
| Paintable/Stainable | No |
| Color Family | Silver |
| Mounting Position | Roof Mount |
| Shape | Round Top |
| Product Height (in.) | 11 |
| Net-Free Area (Sq. In.) | 91 |
| Product Depth (in.) | 17.5 |
| Rough Opening Height (In.) | 12 |
| Product Width (in.) | 17.5 |
| Rough Opening Width (In.) | 12 |
| Product Width x Depth | 17.5 in. x 17.5 in. |
| Coverage Area (Sq.Ft) | 91 |
| Cut-Out Width (in.) | 12 |
| Manufacturer Warranty | Limited Warranty |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 1638 reviews
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Product Reviews
★★★★★ 5
plug and play ...fast ...hi performance... same as higher price
plug and play ...fast ...hi performance... same as higher price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
★★★★★ 5
premium feel in the hand.
Can't really say whether it's that good or not elecronics wise since I didn't test it but it works like it's supposed to. Meanwhile, the housing oh man. It's premium. It feels like hard aluminum or something, very nice. Edges are rounded too with just the right sharpness like a macbook. Others would've been plastic. This is really nice for the price and if the specs really are 10Gbps, that's really good because most in this price range is 5Gbps.
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Reviewed in the United States on March 2, 2026
★★★★★ 1
Failed to support desktop PCs with USB 3.2 Gen 2 ports
Does not work with my HP mini PC with USB 3.2 gen 2 ports - when connecting USB portable SSDs to the hub.
You won't believe it, but many USB 3.2 Gen 2 hubs only support laptops not desktop PCs (except hubs that have dedicated power supply for higher power USB devices e.g. SSD/HDDs) when connecting USB portable SSDs to the hub.
We need a major fix from many of the USB hub vendors so these products can work with desktop PCs that have USB 3.2 Gen 2 ports.
Workaround:
Just directly connect the USB portable SSD to the PC instead.
If you need more USB ports, pick up a good old USB 3.0 hub. They're working correctly with portable USB SSDs when working with desktop PCs.
(You'd need a powered USB hub if you're connecting 2 or more portable SSDs - do your own calculation: 5V - 1A per SSD/HDD).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 2, 2025
★★★★★ 5
Works out of the box!
Set name: Space Gray
Day 1, the item works out of the box with various accessories such as a scanner and to connect older devices like a mouse and keyboard. For the price, this item is fantastic and has 2 usb ports, 2 usb-c (lightning) ports, an HDMI port, a micro sd card port, and an SD card port. Amazing product. If it breaks anytime soon, will update the review.
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Your laptop just got an upgrade
Set name: Dual HDMI Adapter
Switched from a desktop to a laptop for work and missed my dual monitor setup badly. This device fixed that. Easy software install, works exactly as advertised. 10/10 if you need multi-monitor support on a laptop.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
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