Zehnderr / Greenway Airvac MA3051 Acoustic Wall Ventilator. Highest performing acoustic wall ventilator in the UK - the MA3051 is ideal for new build applications where noise planning restrictions are in place. Providing up to 55dB reduction and suitable for wall thicknesses of 140mm and above. Supplied with white external grilles.Acoustic MA3051 wall ventilator in white providing acoustic attenuation to Dn, e, w 55dB(A), suitable for external wall thicknesses of 140mm and above and can be installed in internal wall constructions of between 100 - 150mm. Supplied with internal controllable vent and white/sand external grilles.
Conforms to acoustic requirements of Noise Insulation Regulations (NIR) 1975, one of only a small number of products available in the UK. This item is in the category "Home, Furniture & DIY\Heating, Cooling & Air\Air Quality & Fans\Extractor Fans". The seller is "sneakerking555" and is located in this country: GB.This item can be shipped to United Kingdom.