Automatic Greenhouse Vent Opener with Temperature Sensor - Auto Window & Roof Vent Opener for Greenhouses - Perfect for Temperature Control in Home Gardens & Commercial Greenhouses

Product Description

Features: Made of quality material, which is durable, strong and convenient to use. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. Non-electric, uses solar energy, opens or closes greenhouse vents when the temperature rises or falls. Ideal for your greenhouse window. These products should be refrigerated before using them. Features: Item Type: Greenhouse Reel Opening Cylinder Temperature range: 15 ¡ã - 25 ¡ã/60 ¡ã -77F Size: approx. 30.5 x 1.6 x 1.6cm Weight: approx. 107g Package: 1 x Greenhouse Reel Opening Cylinder Notes: Do not use this cylinder opener in a location where the temperature exceeds 50 ¡ã (122F). Do not disassemble the cylinder. These products should be refrigerated before using them. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.