Featuresr new air pressurization system more powerful purification abilityr the standard mode of purification capacity up to 310msup3h the purification area can be up to 21msup2 37msup2r double fan four wind circulation system can effectively clean air circulation to sites throughout the whole houser produces nearly 10000 liters of clean air per minuter smartphone remote control and alerts real time air quality monitor and auto speed controlr working modes automatic mode sle