Search query: palram harmony greenhouses (Awnings)
Product: greenhouse auto vent kit
Product class: Greenhouse Accessories
Category: Outdoor / Garden / Greenhouse Supplies
Description: the automatic vent opener was designed to automatically control the temperature in all palram - canopia greenhouses . as the air inside the greenhouse warms , the vent gradually opens to allow the correct amount of air flow into the greenhouse and closes when the optimal temperature is reached . the vent arm was designed with the use of natural wax that expand to push a piston , which raises the window , as the air gets warmer then contracts as it cools , closing with the use of a spring . the automatic vent opener operates without the use of electricity . _x000d_
Features: overallwidth-sidetoside:2.7|toolsneededforinstallation : screwdriver|producttype : vent or shutter|countryoforigin : israel|primarymaterialdetails : aluminum|overalldepth-fronttoback:15.7|additionalmaterials : plastic|finish : silver|overallproductweight:2|overallheight-toptobottom:2|wallmountable : no| : no|shelvesincluded : no|mildewresistant : no|fireresistant : no|scratchresistant : no|powercordincluded : no|californiaproposition65warningrequired : no|ventsincluded : no|stainresistant : no|accessoryincluded : no|weatherresistant : yes|waterresistant : yes|warpresistant : yes|installationrequired : yes|faderesistant : yes|compatibility : yes|adultassemblyrequired : yes|portable : yes|outdooruse : yes|uvresistant : yes|lightweight : yes|primarymaterial : metal