Ad0724Hb-D72 24V 0.16A 4000Rpm 28.65Cfm 70X70X15Mm 3-Wire Cooling FanModel: AD0724HB-D72 Voltage: 24V current: 016A Speed: 4000RPM Air volume: 2865cFM Noise: 36DB size: 70x70x15MM 275X275X059inch The product has been tested before leaving the factory If there is a problem with the product, you can contact us as soon as possible We will discuss..