Phono Air Plus+

Soundproof ventilation grid.
PhonoAir Plus is a compact soundproof ventilation grid.
It is to be installed as a substitute of the normal ventilation grids we usually find in perimetral buildings’ walls (it is mandatory to have ventilation holes in the kitchens).
The product allows, as requested by the law, a ventilation surface of 100 cm2and, at the same time, it allows an acoustic reduction of 47dB which is significantly higher than the minimal performances.
Certification: UNI EN ISO 20140-10 e UNI EN ISO 717-1. 
Included two Grills Ø140.

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hf_oo Tecnical Catalogue.pdf

hf_oo Instruction.pdf