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You will need a Matrix unit
Your Starter Pack contains:
*This process depends on the conditions of the soil (e
Flange: 200mm - 250mm - 315mm
White Metal Reducer 200mm-150mm Nutrifield You will need a MatrixMetal Reducers White A Ducting Reducer can be installed inline into your ducting to increase or decrease the size you plan to run for your ventilation system. Ducting Reducers are great to use for long ventilation systems as the supply of fresh air into the grow room can be provided through the required size ducting and just before the grow room you can increase the size to reduce the flow of air to a more gentle flow as it enters and it hits your