- Edmonds Supavent ventilators 250mm.
- AKA Whirlygig, whirly bird, or whirlybird.
- Polycarbonate construction.
- Spark arrestors (designed to meet AS3959:1999) available for bushfire prone areas
- Save on heating and cooling costs.
- Keep roof cavity at even temperature.
- Moves roughly 45l/s of air from the roof cavity under 12km/hr winds
- Readily available in all the Colorbond colours.
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