Outer hood aluminium 1/HWE


Increase of standardised sound level difference by up to 6 dB. Designation: white powder-coated 
(H x B x T) 235 x 205 x 72 mm ]
For wall-tubes Ø 160 mm,
Insect screen
With sound insulation to screw on. Increase of standardised sound level difference by up to 6 dB