Replacement cylinder for greenhouse fan opener, garden or farm winder

Features:1. Made of high-quality material, durable and practical to use.
2. As the temperature changes automatically, it maintains the best growing temperature and prevents your greenhouse from overheating.
3. Non-electric, uses solar power, opens or closes the greenhouse vents as the temperature rises or falls.
4. Perfect for your greenhouse window.
5. This product must be refrigerated before use.
Specifications:Features:
Made of quality material, durable and convenient to use.
As the temperature changes automatically, it maintains the best growing temperature and prevents your greenhouse from overheating.
Non-electric, uses solar power; opens or closes the greenhouse vents as the temperature rises or falls.
Perfect for your greenhouse window.
This product must be refrigerated before use.
Specifications:
Item Type: Greenhouse Winder Opening Cylinder
Temperature Range: 15°-25°/60°-77°F
Weight: Approx.107g
Package:
1 x Greenhouse Reel Opener Cylinder
Notes:
Do not use this opener cylinder anywhere the temperature will exceed 50°C (122°F).
Do not disassemble the cylinder.
These products must be refrigerated before use.
Monitors are not calibrated the same way, so the item color displayed in photos may be slightly different from the actual object.Please consider the actual product as the standard.Please note that the new and old types of this product will be sent randomly, and please make sure you don't mind this before ordering.