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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 plants and you can also do the same with your extraction system
7 µmol/J
high quality zips
How to avoid and amend water repelling growth mediums
You can crack out the crockery that has been gathering dust on the back shelves for the more adventurous of you
Can Filter Reducing Collar 315mm-305mm Moulds Ducting Reducers are great toReducers are used when it is necessary to change the duct size to either a larger or smaller duct.
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