• Some stock photographs may show options that are not included. Please check product description.
Master Flow

12-Inch Steel Weathered Wood Rotary Turbine Ventilator

Mfg.#
GIC12WW
Sku#
870469
  • Head, heavy-duty steel spider braces for strength and durability
  • Bottom ring included for easier and faster installation on base and great weather protection
  • Dual bearing system, encased design helps to prevent dirt, dust, sand and other foreign materials from damaging the bearings, resulting in a smoother spin
  • Permanently lubricated track system insures years of trouble-free spinning
  • Special design prevents metal-to-metal contact results in less friction for a truer, smoother spin and great wear resistance

* Estimated stock levels as of Fri, Apr 10, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

Description

Permanently lubricated track system, upper and lower stainless steel ball bearings prevents metal-to-metal contact, encased to help prevent dirt, dust, sand and other foreign materials from damaging bearings for long life, less friction, smoother spin and wear resistance. Heavy-duty steel spider braces and case-hardened steel shaft for long-lasting strength/durability. Simple, mechanically-locked, two-piece head/base for faster, easier installation. Pre-punched bottom/crimped collar of one-piece base fits tighter, makes installation easier and allows for adjustability up to 12/12 pitch without removing turbine. Extra-large flashing and head with included bottom ring for easier installation and better weather protection. Double ribbed vanes, with convex top, direct even wind-driven rain away from the unit. Dade County/Texas Department of Insurance approved.

Specifications

General

Bracing Type Internal
Color Family Brown / Beige / Tan
Net Free Ventilating Area 60 sq in
Rough Opening Size 12 in x 12 in
Type Turbine Ventilator

Dimensions

Depth 18 in
Height 20 in
Weight 10 lb
Width 18 in

Manufacturing Details
The following information is subject to change without notice

Manufacturer Warranty Limited Lifetime Warranty

PLEASE NOTE: Product information for this item was provided by a third-party source and has not been verified. Please use our feedback button to report any errors. Read our Terms of Use.

Please choose a store for pricing and availability.

Find Your Local Store
Feedback