Greenhouse Snap&Grow Auto Vent Opener
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Automatic Vent Opener for Snap&Grow Greenhouses, both 6 x 8 (HG6008) and 8 x 8 (HG6008) models.
This automatic vent opener will keep your greenhouses at the optimal growing temperature. Ingenious design enables the vent to be controlled by temperature. When it goes into the 70's the arm heats up which causes it to open, thus pushing open the window. Also, the opener will close again when the temperature cools down again.
Free shipping when ordered with HG6008 or HG8008 greenhouses.
See Greenhouses HG6008 & HG8008
