Vents type N30P & N30D

The orifices of the series N30P & N30D (with protective grid) made of anodized aluminum and are suitable for receiving or rejecting air. They are suitable for outdoor installation and the blades, which are firmly tilted 45o "Z"  form, ensure tightness against rain. Optionally there is the possibility of grid placement for retaining leaves and insects. There is also the possibility of placing pre-filter EU3 & EU5 class.