Installing Hole Spacing : 32.5 x 32.5mm/ 1.25" x 1.25"(L*W)
Material:pc fans cover made of C1008 steel with high hardness, smooth and bright surface.
You will get 20 pcs fan metal cover;Fit for Fan Size : 40 x 40mm/ 1.57" x 1.57"(L*W) ; Color: Silver
This fan is specially designed for computers and some small appliances, such as humidifiers, small cooling communication equipment
After-Sales Guarantee: Aracombie has a 24-hour human customer service. If you have any questions before purchasing or are not 100% satisfied with the product, please feel free to contact us, and we will provide you with solutions as soon as possible .