The sound insulation elements consist of a composition of technical foams. The sound insulation properties of the outer wall air vents are optimised by the modular property of the new multi-component foam.
Sound absorber 9/SD-S
for fans ALD, ALD-SV, RA 15-60 and e²60
Schalldämpfer 9/SD-SK
für die Lüfter ALD-S und e²60
Art.-no.
9/SD-S |
39 919 |
9/SD-SK |
41 134 |