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  • OptiFlow Hobby Carbon Filter.jpg
    OptiFlow Hobby Carbon Filters
    The OptiFlow brand is exclusive to us designed to bring together great value for money combined with unrivalled performance. Our OptiFlow Hobby Carbon Filter is designed for those that need a top performance carbon filter but without the longer lifespan found in the 'Pro'...
    From £27.95
    £0.00
    From £27.95
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  • OptiFlow Pro Carbon Filter.jpg
    OptiFlow Pro Carbon Filters
    A GroWorks exclusive! The OptiFlow brand is designed to bring together great value for money combined with unrivalled performance. The OptiFlow Pro Carbon Filter is THE choice for your grow room extraction system. They utilise the tried and tested RC 4/12 virgin activated carbon...
    From £44.95
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    From £44.95
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