![Amazon.com: BITMAIN Antminer T9 S1 S3 S5 S7 S9 A3 D3 L3 V9 120mm High Temp Fan Duct 4 INCH USA Made (1 PCS) : Electronics Amazon.com: BITMAIN Antminer T9 S1 S3 S5 S7 S9 A3 D3 L3 V9 120mm High Temp Fan Duct 4 INCH USA Made (1 PCS) : Electronics](https://m.media-amazon.com/images/I/61lcGqs9ntL.jpg)
Amazon.com: BITMAIN Antminer T9 S1 S3 S5 S7 S9 A3 D3 L3 V9 120mm High Temp Fan Duct 4 INCH USA Made (1 PCS) : Electronics
![Bgears Fan Adapter 140mm-BK 140mm to 120mm Fan Adapter for 140mm fan install on 120mm chassis screw holes, Black - Newegg.com Bgears Fan Adapter 140mm-BK 140mm to 120mm Fan Adapter for 140mm fan install on 120mm chassis screw holes, Black - Newegg.com](https://c1.neweggimages.com/ProductImage/11-995-076-02.jpg)
Bgears Fan Adapter 140mm-BK 140mm to 120mm Fan Adapter for 140mm fan install on 120mm chassis screw holes, Black - Newegg.com
![Amazon.com: Tinker3D Antminer S7 S9 S9i E3 T9 L3+ D3 A3 V9 X3 120mm Fan Duct Cooling Shroud to 5 Inch Vent Hose Amazon.com: Tinker3D Antminer S7 S9 S9i E3 T9 L3+ D3 A3 V9 X3 120mm Fan Duct Cooling Shroud to 5 Inch Vent Hose](https://m.media-amazon.com/images/I/61JscOdwJsL.jpg)
Amazon.com: Tinker3D Antminer S7 S9 S9i E3 T9 L3+ D3 A3 V9 X3 120mm Fan Duct Cooling Shroud to 5 Inch Vent Hose
![2PCS Fan Shroud Duct Cooling Ducting Vent Shroud Ventilation 120Mm for Bitcoin Antminer 4 Inch Fan S1 S3 S5 S7 S9 L3+ - Walmart.com 2PCS Fan Shroud Duct Cooling Ducting Vent Shroud Ventilation 120Mm for Bitcoin Antminer 4 Inch Fan S1 S3 S5 S7 S9 L3+ - Walmart.com](https://i5.walmartimages.com/asr/4ba4972e-7b83-4fbd-823f-9e2257c81231.84562932ad1e020c671a4363cd9bfd08.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)