This listing is a replacement CYLINDER only, for the full set of auto vent opener you can find it in my shop. Also suitable for Orbesen, Gardman & B&Q vents Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops Important notice:Do not use this opener anywhere the temperature will exceed 50° (122F) Temperature range 15°- 25°/60°-77F Maximum opening weight 7kg/15lb Adjustable length 33-45cm Type Window Opener Brand Unbranded/Generic MPN HD735548176350 EAN 0735548225515 Brand Unbranded/Generic MPN HD735548176350 .
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