Window Opener Cylinder Data parameter: Automatic ventilation of greenhouse can not be used at temperatures above 50° (122 F); Maximum height of the window opening about 45cm; Maximum weight vents not more than 7kg/15lb; Opening temperature regulated 16° to 25°; The temperature of complete opening about 30° (depending on adjustment and load)
Automatic Greenhouse Cylinder Energy saving: Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops
Replacement Window Opener Auto Vent use for: automatic window opener.Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.
Replacement Cylinder Easy Installation: Simple DIY installation and suitable for single or double sprung vents.
greenhouse accessories package: 1pcs×Automatic Window Opener
