Mill is expanding its product range, with two new air purifiers. Like their panel heaters, these can be controlled via the Mill app.two new air purifiers and the Mill Sense air sensor, we can now offer products that enable consumers to improve their indoor climate 12 months a year,The air purifiers, with the model name Mill Silent Pro, are first launched in the Australian store chain Bunnings.The air purifiers from Mill have a Hepa 13 medical grade filter and an active charcoal filter. The sound level is stated to be in the range of 18.5 to 46 dB, depending on the power level.Mill Silent Pro has a cleaning capacity of 565 cubic meters per hour, and according to Mill, should remove pollen, odours, viruses, bacteria, harmful gases and environmental toxins.Many of Mill competitors state the time for filter change in hours, but they use sensors and intelligence; that means the user is notified when the filter is full,