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giving 75% more flow from an only slightly increased fan footprint
pet dander
'X' suffix models also have powered electric anti-backdraught shutters 258512
The twist on/off cover requires only a single side entry fixing screw
An HVAC/R essential to carry the more common of tools to diagnose and repair problems on service calls
Greenwood Acoustic MA3051 airflow-filters-cat-10 giving 75% more flow fromGreenwood 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. Equivalent performance 2500mm2. 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
US$ 22.74
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