
Our MA3051 is the highest performing acoustic background ventilator, providing acoustic attenuation to Dn,e,w 55dB.
- 2500mm² equivalent area performance
- Suitable for external wall thicknesses of 140mm and above
- Internal controllable trickle ventilator
- Internal wall constructions of between 100mm and 150mm
- Supplied with internal controllable vent and white external grilles
- Conforms to acoustic requirements of Noise Insulation Regulations 1975; one of only a small number of products available in the UK
Installation guides are provided with the product including wall templates to assist with cutting. Bonding compound is required to complete the installation. Protective strip is also required to protect the internal unit until decoration is complete within the dwelling.