235 H x 205 W x 72 mm D
For wall-tubes Ø 160 mm, insect screen, with sound insulation, to screw on.
Increase of standard sound level difference by up to 6 dB.
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235 H x 205 W x 72 mm D
For wall-tubes Ø 160 mm, insect screen, with sound insulation, to screw on.
Increase of standard sound level difference by up to 6 dB.