Anti-vibration gaskets for using compatible Noctua 120x25mm fans on water cooling radiators or other applications that benefit from a tighter seal Silicone rubber gaskets can damp vibrations and help to improve performance by reducing leak flows through the gap between the fan and the radiator Set of 3 is ideal for equipping AIO or DIY water cooling setups with 240 or 360mm radiators Compatible with most Noctua 120x25mm fans such as the award-winning NF-A12x25, NF-F12, NF-S12A or NF-P12 redux series All-black chromax. black version, ideal for black industrialPPC or chromax line fans