120mm radiator fan holder is used to fix 12CM cooling fans, including Antminer, Whatsminer, Innosilicon, Avalon, etc. The fan bracket is made of aluminum alloy, anti-corrosion, and wear-resistant. When the miner fan runs long, the bracket may fall off or become loose. To ensure the regular operation of the miner, if the fan falls off and is damaged or the screws are loose, it is recommended that you replace it immediately. The quality of this product is guaranteed, and the supply is sufficient. We welcome all miners and friends to purchase.