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American Coolair - Model HS -Heat/Smoke Exhaust Power Roof Ventilator
Heat/Smoke Exhaust Power Roof Ventilator: Sizes: 18 - 84. CFM: 2,310 - 98,650. Static: Through 0.625". Endurance Tested: 270 min. @ 500° F, 90 min. @ 700° F, 30 min. @ 1,000° F.
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- Licensed for Air Performance
- UL Listed for Standard 793 (most models)
- All-ferrous materials in airstream (except damper doors)
- Disconnect switch, motor cover & inlet guard as standard
- Auto heat & smoke damper trip device
- Heavy-duty pillow block bearings with external re-lubrication fittings