Adjustable base for wind turbines with a 12 inch opening. Adjusts from 6/12 to 12/12 roof pitch.
- Large flashing for easy installation
- 12" adjustable base, 6/12 to 12/12 pitch
- Compatible with both internally and externally braced turbine heads
- Provides year-round ventilation
Dimensions: 18.5" x 18.5"
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