Speedwellstar Greenhouse 15kg Window Vent Opener 2 Spring Automatic Up To
£34.99
Palram Canopia Automatic Vent Opener
£53.00
4.4 (337 reviews)
Highlights
- Opens roof vent automatically as temperature warms for air circulation and heat relief, closes when temperature cools
- Solar powered, heat activated – start opening point: 12°-15°C
- Mechanic system – no electricity is needed
- Suitable for all MAZE greenhouses with roof vents
- Easy to install
The Automatic Vent Opener was designed to automatically control the temperature andhumidity levels. It provides additional ventilation for all Palram - Canopia Greenhouses, makinggardening easier. As the air inside the greenhouse warms, the vent gradually opens to allowthe correct amount of airflow into the greenhouse until the optimal temperature is reached.The vent arm was designed with the use of wax that expands with heat and contracts when itcools.
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