For enclosures: HEPA filter adapter for 120mm blower fans
thingiverse
For 3D printer enclosures, so the exhaust is HEPA filtered, before it exits the enclosure. Because some filaments emit lots of microparticles, and some of us don't have a utility room. This is designed to glue on to the intake of a standard 120mm blower fan (120x32mm). It holds one EF1 HEPA filter, or three K10 mini HEPA filters, with easy filter swaps. Three of the "K10" filters (~$1/ea) are about as big as one "EF1" filter (~$5/ea). Pick one type of filter, and the adapter object that pairs: A. Object for Kenmore EF1 HEPA filters: Kenmore_EF1_HEPA_120mmAdapter.stlA. HEPA filters, Kenmore EF1 ($10/2pk): Amazon B0007IOYLQ B. Object for XIEBro K10 HEPA filters: XIEBro_K10_HEPA_120mmAdapter.stlB. HEPA filters, XIEBro K10 Robot Vacuums ($13/12pk): Amazon B0C4VN6RM3
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