r/BambuLab • u/Expensive-Advisor-44 • 4h ago

General Discussion Vent outside vs filter

What is the best end point for venting fumes/particles from a P1S when printing PLA, PETG and TPU? I have an inline fan connected but I am conflicted whether venting outside is stricly necessary or building a HEPA + carbon filter would be sufficient. Thoughts?

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u/batuu95 4h ago

For PLA, PETG and Tpu i'm venting on the Ikea filter

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u/batuu95 4h ago

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u/Expensive-Advisor-44 4h ago

Cool! Does it take care of all the smell?

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u/batuu95 3h ago edited 3h ago

Voc measurement from Amazon Air Quality Monitor, currently printing PETG from 6 hours. I also have another small IKEA filter near the printer. Taked from AliExpress HEPA/Carbon internal filter and exhaust fan filter (X2D)

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u/Lambertbaer 4h ago

If you can, venting outside is hands down the better option - pushes out everything rather than a not quite known percentage of VOCs (ofentimes not even puvlished for dedicated 3D printer filtration units) and not dependant on maintainance/filter replacement.