Brand New ONA Odour Control Ducts gives the ultimate in growers peace of mind. Used in conjunction with ONA blocks for the neutralisation of unwanted odours in your ducting.
Instructions for Use:
Open catches on ducting lid, open lid, insert desired quantity of ONA blocks and reseal to neutralise odours in your ducting. Once the ONA blocks are exhausted simply re-open discard and replace.
Size 152 mm
| Brand | ONA |
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