【Replacement Cylinder】Designed as a window opener cylinder replacement for automatic greenhouse window opener systems. Helps open or close vents with temperature change for daily greenhouse vent control.
【Temperature Response】Built with a temperature sensor function that responds within 68 to 77F. This window opener sensor supports automatic vent movement without needing constant manual adjustment.
【Non Electric Operation】No battery or wiring required. This non electric cylinder uses solar heat expansion to operate, making it suitable for greenhouse windows in changing weather conditions.
【Product Specifications】Made of ABS with approx. 12.99 x 0.59in size and 117g weight. Adjustable length is about 13 to 18in with up to 18in opening distance for windows under 14kg.
【Greenhouse Use】Suitable for most greenhouse types where automatic vent opening is needed. Useful for growers who want to reduce manual checks and help maintain a steadier plant growing environment.
