Tbest Greenhouse Automatic Roof Vent Opener Replacement Cylinder Temperature Sensor Greenhouse Vent Opener,Greenhouse Vent Actuator,Greenhouse Window Openers,Greenhouse Window Opener AUT
$17.19

Description

Perfect for your greenhouse window..Made of quality material, 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, open or close the greenhouse vents as temperature rises or drops..This products need to be refrigerated before use it.

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