LAS VEGAS – 3M’s Filtrete brand has announced the launch of its new Bluetooth-enabled HVAC air filter for homes. The Smart Air Filter integrates pressure sensors that, when paired with a new app, can offer useful, consumer-specific information unique to a home. Such features include notifications on the optimal time to change a filter, the filter size and type and the air quality, all of which can affect the longevity of an air filter’s life.