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Article no.: GFPV00954
Automatic window opener for cold frame attachment
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€49.00incl. 23% VAT
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Automatic window opener for cold frame attachment – optimal ventilation without electricity
The automatic window opener from quality brand GFP provides optimal ventilation for your cold frame attachment by responding automatically to temperature changes, helping to prevent heat build-up and overheating. This is made possible by a clever mechanism: at temperatures of approximately 22 °C and above, a special oil inside the opening cylinder expands, automatically pushing the window open. This allows excess heat to escape – without electricity or manual ventilation. Ideal for when you're away from home or forget to open the window.