ITEM NAME:Replacement Greenhouse Window Opener Temperature Controller Auto Vent Autom T3A7 Replacement Greenhouse Window Opener Temperature Controller Auto Vent Autom T3A7 Automatic Window Opener Temperature range :It will be close at the greenhouse temperature less than 15 °.it will be open at the greenhouse temperature more than 25 °. Greenhouse Window Opener Maximum opening weight 7kg/15lb 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) This products need to be refrigerated before use it. Adjustable length 33-45cm Colour: Black Material: aluminum alloy Package Include: 1* Replacement Greenhouse Window Opener Cylinder
