Add some silence to your computer with these yellow SilenX 80mm Effizio silent case fans. With a noise level of only 12 dBa, these fans are perfect for anyone who wants to reduce noise pollution in their home or office. They are compatible with SilenX products and have a maximum airflow volume of 25 CFM. Made of plastic, these fans are designed to last and are suitable for computers and other electronics that require cooling. The manufacturer part number for these fans is EFX-08-12 and they are sold in a pack of four. Use them in your CPU, laptop, or gaming console to keep it cool and quiet.