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fan size

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Ok I am gonna be getting my exhaust fan this weekend and I was after a little info on what size I need for my growroom the first thing I did was get the area of the GR which is 2.4 m3 (cubic meters) then I figured the room need to have lots of fresh air passing through so I then multiplied the size of the room buy 45 times which gave me a total of 108m3 and that means that I need to have a fan that can can suck at least 108m3 per hour. also Incase it matters I will be using a pasive intake system


my bottom line question is what size fan do I need ( how many mm )

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its not so much as fan size as to the volume it shifts.

But I think you should enquire about the same fan as I have as its a great fan but not cheap.

Its called a Hydro Turbo 250mm,

HYDRO-TURBO 800 cu/mtr HR. FAN


Quality unit capable of delivering 800 cubic meters per hour.




http://www.fantech.com.au/ is a good site about fans,

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