Window opening for, Greenhouse automatic roof vent opener, replacement greenhouse, sensor, automatic temperature skylight, cylinder replacement greenhouses, opening systems cylinder temperature sensor

• CO2 FRIENDLY The window opener will be very environmentally friendly and CO2 friendly throughout its life as there is no need for electricity in your greenhouse.
• Solar Energy Using solar energy, instead of electricity, open or close the greenhouse vents when the temperature rises or decreases. Save your energy and time, without the need for human
• Automatic solar vent opener. When the temperature changes automatically, retains the best growth temperature and prevents your greenhouse from overheating. Ideal for your greenhouse window.
• Please note this product must be refrigerated before use. Do not use this opening cylinder in places where the temperature exceeds 50 °C (122 °F). Do not disassemble the cylinder.
• Material Made of quality material, durable, strong and convenient to use.

Product description CO2 friendly The window opener will be very environmentally friendly and CO2 friendly throughout its life as there is no need for electricity in your greenhouse. Please note This product must be refrigerated before using.Do not use this opening cylinder in places where the temperature exceeds 50°C (122°F). Do not disassemble the cylinder. Durable Material Made of quality material, durable, strong and convenient to use. Solar Energy Using solar energy, instead of electricity, open or close the greenhouse vents when the temperature rises or decreases.Save your energy and time, without the need for human Solar Automatic Ventilation Opener When the temperature changes automatically, retains the best growth temperature and prevents your greenhouse from overheating. Ideal for your greenhouse window. Specification:100% brand new and high quality Color: As picture show Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you! Safety Warning Please note this product must be refrigerated before use. Do not use this opening cylinder in places where the temperature exceeds 50 °C (122°F). Do not disassemble the cylinder.