The all-purpose, customizable IAQ solution for virtually any application. WhisperGreen Select™ is a ground-breaking IAQ solution that is revolutionizing the ventilation fan industry with a new set of features that enable customization and easier installation. To the builder and professional installer, Panasonic continues to be the innovation leaderwith high performance ventilation solutions that are built to last. WhisperGreen Select's unique design and superior energy efficiency areachieved through engineering expertise, provided by a company who sets the standard for quality and value.