Bitmain Antminer S9 D3 A3 V9 E3 X3 L3 Z9 120mm Fan Duct Cooling Shroud 4 Inch / 100mm Vent

Perfect for keeping temperatures low, improving mining efficiency and increasing longevity of your miner. Designed to fit the standard 120mm fans using your original screws this will allow you to reduce heat and noise in the room your miners are located. The shroud pipe adapter allows your Antminer to easily exhaust heat out of the room using standard 4 inch (100mm) ducting. A cool miners equals better hash rates. The shroud adapter can be used with any standard 120mm fan. This vent adapter has a lip on hose connection side, allowing for a safe and secure fitting of the vent ducting hose which can then be tie wrapped in place and will not slip or slide off the shroud. My 3D printed vent shrouds are the strongest available, printed using PETG this is several times tougher than PLA and PLA . Then each part is annealed, annealing plastic involves gently reheating the substance to a point above its glass transition temperature, but below its melting temperature, and then slowly allowing it to cool. Like the annealing of metal, this reheating and cooling increases the amount of crystalline structures in the plastic. Both of these things, in turn, makes the plastic stronger, stiffer and more resistant to the stresses that cause failure. Highlights: Includes Free Black Tie Wrap Improved Airflow & Cooling 3D Printed Using PETG Every Part Annealed UK Designed & Manufactured