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HV-20 - Closeable Base Vent
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Closeable Vent 
Feb 15, 2018 | Posted By Harold White from Amarillo, TX United States
Easy installation. Very good product.
Good but could be better ...
Nov 6, 2019 | Posted By Glenn R Maryanski from Rancho Cucamonga, CA United States
The vent itself is fine at 4" x 10" and it is closeable. But they send you 2 x 1" pvc cut to about 12" for attaching to your greenhouse. This method will not work. I ordered an aluminum extrusion in a 90 degree angle and I attached the vent to the solexx panel and on the inside top and bottom the aluminum. Works much better with the flat surface of the aluminum and the rigidity of the aluminum. But again the vent itself works just fine.
PVC vents
Feb 18, 2020 | Posted By Edward Savka from Tarentum, PA United States
I purchased 4 of these vents that will not get installed. Hold this vent up to the light and it is not air tight 1/8" gaps. I called and complained wanting a refund and haven't heard anything.. save your money
Vents for greenhouse
Mar 23, 2021 | Posted By Sherri from Addison , PA United States
Purchased the vents so I could get airflow in my hobby 6x8 greenhouse which we put on a platform and raised it up by putting on a frame. Needed ventilation on the back of it and these are doing the job so far.
