For many indoor and outdoor growers, the question of whether to reuse soil after harvest is both economic and envir...
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Description
Ona Odour control duct - attachment for ventilation pipes for ONA Block - ensures continuous fresh air output from the ventilation pipe.
The attachment is installed behind the exhaust fan and, if necessary, several ONA Blocks are inserted into the opening. All unwanted odors will be effectively and quickly removed even before they exit the pipe.
For a pipe diameter of 315mm