@JimRosenthal4 @SmartAirFilters CADR seems very wrong but not sure about noise. The ones I've built seem pretty loud at high speed.
@JimRosenthal4@SmartAirFilters CADR似乎非常错误，但不确定噪音。我做的那些在高速下看起来相当响亮。
@JimRosenthal4 @SmartAirFilters CADR seems very wrong but not sure about noise. The ones I've built seem pretty loud at high speed.
@JimRosenthal4@SmartAirFilters CADR似乎非常错误，但不确定噪音。我做的那些在高速下看起来相当响亮。