120mm x 3 360mm Adjustable PC Case Fans with Speed Controller (3-12V) - Quiet Cooling for Computer, Server, Mining Rig, Chicken Coop, Cabinet & Window Ventilation - Improve Airflow & Reduce Heat Build-Up

172mm High Speed Axial Muffin Fan with Switch - 110V/120V Cooling Fan for DIY Ventilation, Exhaust & Cooling Projects - Perfect for Chicken Coops, Crawl Spaces, Industrial Use, Doorways & Server Rooms