Schallschutz für Lunos Luftdurchlass - Soundinsulation
For my exhaust air heat pump, I have several external wall air diffusers, so-called ALDs, in the shutter box. I designed this component to improve the sound insulation here. A “first element” and several “middle elements” are required.…



























































![UNI-T UT533 Insulation Multimeter Case with magnet and loop [UPDATE2 V4]](https://media.printables.com/media/prints/940d6cdb-c067-4f33-b048-5eea4c2d1aca/images/12558854_908a66d5-9c15-4c10-8a2e-461bb83886af_6abb3862-8f30-4278-9670-8f8cb87140f9/img_20260406_093306_375.jpg)































