Sound reduced by 45 dB with internal grille fully open and 50 dB when closed (Dn,e,w) (tested by BRE Acoustics). 8,400mm² (84cm²) equivalent area (tested to BS EN 13141-1:2004 and independently verified by the BRE).
Quick Search: | QS52598 |
Your question will be sent to a member of our team. We'll email you the answer and post it on this page. If your question is about an order you already placed, please use our Contact Form to reach the customer service team.
Customers who bought this product also purchased |
|