Ona Odour Control Ducts 12" 315mm They munch their way through

They munch their way through the root system quicker than the plant can grow new roots

Canna Cure is a natural way to control pests

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Plug the fan in and switch it on by depressing one of the 3 speed-switch settings

Ona Odour Control Ducts 12" 315mm They munch their way throughBrand 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.