Automatic Roof Opener for BioStar Greenhouse

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Description

This non-electric opener automatically opens and closes roof vent on your Bio-Star Greenhouse when temperature changes.Ships free with Bio-Star Greenhouse.

Shipping

This product ships via Standard Ground Service.

Customer Reviews (3)

Auto opener really Works., Nov 9, 2011

By: Mark Henderson (Memphis, TN, United States)

The auto opener was easy to install and very interesting to watch how it knew just when to open and how much. This will keep my plants from burning up in the summer. Thanks.

Less Enegry - works great, Nov 25, 2010

By: G T (DFW, TX, United States)

Took a couple of minor adjustments (repositioning of vent) - Opens and closes without having to check now.

This opener works great!, Dec 3, 2009

By: tattooted (Missouri, United States)

I am so happy that I have this automatic vent opener! It is so nice to not have to worry about the greenhouse overheating. It was very easy to assemble and install. The heat range can be adjusted simply by twisting the cylinder. Best of all, it works like a charm!

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