Noise pollution is the unfortunate by product of the modern world. The need for quiet, personal space has never been so important.
*Testing conducted under laboratory conditions to BS EN ISO 10140-2:2010.
Site-specific values may vary where other materials are interfaced.
†Source from Purdue University – Department of Chemistry https://www.chem.purdue.edu/chemsafety/Training/PPETrain/dblevels.htm