Yosoo Health Gear Greenhouse Automatic Roof Vent Opener, Solar Powered Temperature Sensor Cylinder Replacement, Universal Fit DIY Installation Stainless Steel

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Solar-Powered Automatic Operation：Completely non-electric, this greenhouse vent opener utilizes solar energy to automatically open or close vents as temperatures rise or fall, providing sustainable temperature management
Effective Temperature Control Range：Automatically responds to temperature changes to maintain optimal growing conditions, preventing overheating and protecting plants with fully opening at 25-30°C and minimum opening at 15-20°C
Universal Compatibility Design：Fits most greenhouse window openers with single or double springs, compatible with , , and vents for versatile greenhouse ventilation enhancement
Durable Stainless Steel Construction：Crafted from quality materials including stainless steel and aluminum, this replacement cylinder is built for long-lasting performance in humid greenhouse environments
Simple DIY Installation：Straightforward setup without complex tools; refrigeration before first use ensures optimal operation—just place in refrigerator then install for reliable temperature regulation