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Picking the right fan

- Thu, 29 Mar 2018 07:41:28 EST W8lwCnr1 No.145862
File: 1522323688799.jpg -(61942B / 60.49KB, 900x909) Thumbnail displayed, click image for full size. Picking the right fan
First time poster here and I just wanted to ask what you guys think about pic related. will it work? any suggestions? How do I know that the fan is strong enough?
William Girrymot - Fri, 30 Mar 2018 02:58:30 EST ol/Sob4l No.145863 Reply
1522393110907.jpg -(421107B / 411.24KB, 1060x1060) Thumbnail displayed, click image for full size.
Not sure why you need the box
Use a T coupling on the the fan and put the filter on the exhaust
Setup - Fri, 30 Mar 2018 04:56:47 EST W8lwCnr1 No.145864 Reply
I have thought of this, but I would rather have the filter on the inside somehow, so that the air is pulled through it instead of pushed. I could also get another filter and put them inside each tent, but then I would need a stronger fan I think +filter.
Thomas Darringgold - Sat, 31 Mar 2018 10:53:47 EST +feR4wOL No.145866 Reply
Filter on the exhaust won't work properly, first they need the dust filter on the outside, second the way they are constructed they require air to be sucked through them, not pushed (the pressure differential has to be in the one particular direction)

Just buy two filters and fans OP.
If you are really to cheap to do that you can put the outlet of one tent into the inlet of the other, temps will be higher in the second tent but at least this is a workable solution.

The filter in the box would work too but I think that building that box might cost you more than an extra filter.
Thomas Darringgold - Sat, 31 Mar 2018 10:59:22 EST +feR4wOL No.145867 Reply
Two filters on one fan with a Y or T pipe also work btw, just keep in mind the cfm ratings.
Ebenezer Sinderman - Mon, 02 Apr 2018 11:42:30 EST um00jazI No.145870 Reply
I've been pushing instead of pulling for a decade, good filters work either way.
Setup - Tue, 03 Apr 2018 07:00:48 EST W8lwCnr1 No.145875 Reply
How much stronger does the fan have to be to run 2 of those filters in the pic? what would you say?

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