Bayliss Mk. 7 Heavy Duty (lifts 32 lb vents)
*These solar powered roof vent openers will automatically open your roof vents when it gets too warm in your greenhouse and close again when it cools down
*Adustable opening temperature (60-75 degrees) range Uses little headroom (3" from the actual glass and 13" long).
*Very Strong. Lifts up to 32 lb vent.
*Strong 6.5 lb return spring to help prevent wind damage.
*corrosion resistant material
* full guarantee 2 years
$139.95 our low price
$ 99.95 (when ordered wiith greenhouse kit)
One vent opener required per double roof vent
