what size extractor fan?

9

9inch bigbud

Well-Known Member
Smokes11 said:
hey guys i have a 600w hps lamp in a 150mm cooltube and dont know what size extractor to get, i need 1 thats quiet, would a 100mm low powered fan work
i was looking at these:
http://www.greenshorticulture.co.uk/Growroom-Products-20/-In-Line-Fans-Fan-Filter-Deals-108/RUCK-Fans-101.asp

thanx guys
Click to expand...
id go with the 6" hgh power that can cool 2 x 600s in cool tubes no problem, also you can just fit the ducting on the tube no need to get a reducer or one from a 4" to a 6" save a bit of cash there. i would look in to the insulated ducting also, that helps keep the noise down a lot. always better to get bigger fan than you need.
 
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