120mm to 4 inch Fan Duct Adapter Intake Exhaust Silencer Crypto ASIC Miner S9 L3
It allows you to connect a standard 4" flexible duct to your miner's exhaust, helping you cleanly connect your miner to standard 4" ducting. Ideal forAntminer / Bitmain ASIC miners. Fan size: 120 mm square fans (standard PC / miner size).