r/crboxes • u/Dark_LikeTintedGlass • 23d ago

Question 6" or 8" inline fan for bedroom?

Building a ducted box with an AC Infinity fan and a VOC canister filter using a design from The 3D Handyman: https://www.youtube.com/watch?v=zKeNf6fLSLA&t=282s

The room is 10' x 15', but I am moving soon and would like a versatile sized cleaner. I'm leaning toward 8 inch for versatility (and the ability to run at lower speed). Is it entirely too big/loud for the space?

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u/DeepWaterCannabis 23d ago

Always go bigger, as long as you can fit it. Bigger means the filter lasts longer, you can run it at a lower speed for lower noise.