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s resistance to disease and promotes its inner and outer strength
Repeat after one week if necessary
-front opening with zip
* proportional electric heat control from 0 up to 100% with a 0-10 V control signal from the external controller
VENTS - DUCT AIR HEATER - ? 150 - 1200W Pyramid Seeds s resistance to disease andElectric duct heaters are designed to heat the mass of air conveyed through the inlet ducts of your grow room. Design: The heater body is in galvanized steel and the resistances are in stainless steel; the heaters are equipped with rubber gaskets for connection to the air ducts. NK duct heaters are equipped with two thermostats for protection against overheating: the basic protection provides for automatic restart when 50 ? C is exceeded after
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