Uxcell a16032500ux0875 2 Piece 40 x 40 x 10 mm 12V 0.07A DC Heat Sink/Extractor Cooling Case Fan Black, 1.57" Width, 1.57" Length Go to amazon.com Related posts Top 13 recommendation extractor fan 12 for 2022 FeatureProduct type - heat sinkCountry of manufacture: china; material: plastic; net weight: 30GMade in china DescriptionThe product Type is Uxcell 2Pcs 40x40x10mm 12V 0.07a DC heat sink/Extractor cooling case fan black, made in China.