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Great response and fair pricing. Very impressed with this company.

These Bayliss vent openers came with our greenhouse "kit" about 30 years ago. They really perform flawlessly for 7-8 years before the seal in the cylinder gives out. Replacing only the power cylinder seemed a more economical option, so I tried that. Surprisingly little cussing involved, only a few tools needed. The instructions were very good and very comprehensive. I'm happy with both the replacements and the costs/shipping. A recommended option to purchasing the entire vent opener.

We live in northwest Oregon and don't get high daytime temperatures this time of year. I wanted to keep the vents closed a little longer and target a daytime high temp inside the greenhouse around 85 degrees to counteract the nighttime temps in the mid 40s. This "orchid" opener does the trick. I rated it 4 stars because there is a single use disk that you must remove to swap out the openers. I would like to see a pin that could be removed as needed.

ACF Greenhouses was the only place I could find a replacement tube. I had some MK7 Bayliss auto openers but they were stored in the heat for a long time before installation and didn't seem to work properly. I read that it might be the tube. I ordered replacements and swapped them out, and now they work! Saved $ just replacing the tube compared to the whole thing.

Product just as promised, fast shipping, reasonable price.

I would shop here again