V6 fan cover is a useful accessory for radiator cooling fan. Cooling fan cover bracket is mainly used for 3D printer. Easy to install and operate is a good replacement; Small size and lightweight; Durable and long service life. Steps of installation: 1. Select fan cover of appropriate size; 2. Remove the fan cover to be replaced; 3. Installation. Please select the appropriate size of fan cover especially the diameter mounting hole diameter and mounting hole center distance. Cooling Fan Cover is in size of : 22mm/0.87-inch dia 2.5mm/0.1-inch mounting hole dia 24mm/0.94-inch mounting hole center distance 30mm x 22mm/1.18-inch x 0.87-inch(W*L)