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 outlet from the ventilation duct.
The attachment is installed behind the exhaust fan and as needed, several pieces of ONA Block are inserted into the opening. All unwanted odors will be effectively and quickly removed even before exiting the duct.
For a pipe diameter of 100mm