Alton | Automatic Louvered Window Opener gable roof insulated building Filtering the oil will preserve

Filtering the oil will preserve the life of your pump and increase the performance of your freeze dryer

Their experts will refurbish the pump as needed

4mm twin-wall polycarbonate to protect from direct sunlight

19 ft 7 in

The twin-wall polycarbonate acts as a double plane window keeping the cooler air in during warm months and insulating the greenhouse from cold air in the wintertime

Alton | Automatic Louvered Window Opener gable roof insulated building Filtering the oil will preserveLouver windows help the ventilation of a greenhouse. Adding an Alton Automatic Louver Opener will help regulate the airflow automatically when temperature changes. Automatic attachment for a Louvre vent, fits most louvres. Its fully adjustable to open over a range of temperatures between 59 77 degrees F. Some drilling is required to fit. Please note that an auto louvre CANNOT fit a louver which is directly left of an a frame when you look at it