Package of Johnny's Selected Seeds
Package of Johnny's Selected Seeds

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Bred by Johnny's

Bred by Johnny's

Seeds and accessories are bred and developed by Johnny's Selected Seeds.

Univent Automatic Opener
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Univent Automatic Opener

9033

Product ID: 9033

Keep your plants in their "comfort zone".

This temperature-responsive automatic opener is specially designed to automatically open and close bifold covers on cold frames. Set it to open between 60°F and 77°F to keep the temperature inside the cold frame from overheating.

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90331 Unit  $49.00 

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