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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
and Various additional options
Durable Design: Strong black aluminum frame with a vented roof for airflow
seed trays
17 gauge tubular aluminum extrusions
Essence) greenhouse has never been easier
Alton | Thermofor Classic Roof Vent Auto Opener Duramax Garden Bed and Various additional optionsThe 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
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US$ 76.97