Two questions: 4" booster vs 6" booster fan

BUDDZY

Well-Known Member
1). I just bought my stuff for my next grow. grow tent 600w dimmable with both MH and HPS; pyrex bake a round for a cool tube. Should I get 1x6" fan or 2x4" fans (one for each side of the cool tube)
2). Are the 4" fans much more quiet. Noise is my issue more than vetiliation, i have plenty of other fans for circulation.
 
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