Grower Posted November 13, 2020 Share Posted November 13, 2020 I am busy doing a DIY grow tent, I need to work out some ventilation system, the tent is right up against a window. Size is 1000 x 800 x 1800 mm. Could I get away with a regular extractor fan and no ducting (just venting air straight out the window). Gaps between the burglar bars is only 98mm, so if I need to run an inline fan it can have 100mm ducting max (I assume the duct is at least somewhat bendable to allow me to fit a 100mm duct through a 98mm gap? 1 Quote Link to comment Share on other sites More sharing options...
PsyCLown Posted November 18, 2020 Share Posted November 18, 2020 You could get away without an inline fan, make use of a different type of fan - like a regular extraction fan, provided it can move enough air. However what do you plan on doing in terms of light leaks? Ducting can be bendable, it has a metal wire which helps it retain its shape but you could possibly bend it a bit to get it to fit. With an inline fan you could bend the ducting to help prevent light from outside reaching inside the tent. I recall another member doing this. 1 Quote Link to comment Share on other sites More sharing options...
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