Palram Canopia Rion Automatic Side Louvre Window Opener

Compatible with any Palram Canopia Rion Greenhouse side louvre window, the Palram Canopia Rion Automatic Side Louvre Window Opener helps optimise the temperature in your greenhouse, even when you’re not around.This intelligently-designed greenhouse accessory opens and closes the side louvre window according to the temperature inside your greenhouse. It operates using a piston and spring, and there’s no need to connect to an electricity supply for it to work.The heat-activated arm is designed using wax, which contracts and expands as the temperature inside the greenhouse