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 duct for ONA Block - ensures continuous fresh air output from the ventilation duct.
The attachment is installed behind the extraction fan and several ONA Blocks can be inserted into the opening as needed. All unwanted odors will be effectively and quickly removed before exiting the duct.
For a pipe diameter of 125mm