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- USA
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Ships within 48 hours · Estimated delivery Nov 7 - Nov 12
Reserve from the case
Ships within 48 hours · Estimated delivery Nov 7 - Nov 12
10mm thick twin-wall polycarbonate side panels
powerful solution trusted by growers for maximum performance and consistent results
5" inch square
inexpensive to operate
Alton | Thermofor Classic Roof Vent Auto Opener Freeze Dryer Recipe Book 10mm thick twin-wall polycarbonate sideThe Thermofor Classic Roof Auto Opener is a simple, reliable way to keep your Alton greenhouse properly ventilated, without any manual effort. Designed specifically for Alton greenhouse roof vents, it uses a heat sensitive, oil filled piston that automatically opens the vent as temperatures rise, helping create a healthier growing environment for your plants. As the greenhouse warms, the piston expands and gently lifts the vent. When temperatures
US$ 91.58
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US$ 129.00
US$ 117.34
US$ 70.09
US$ 117.34
US$ 117.34
US$ 156.71
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US$ 156.71
US$ 120.49
US$ 102.38
US$ 115.00
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