16 white anti-vibration pads for up to 2 compatible 9cm or 8cm fans Compatible with many popular Noctua fans such as NF-A9 and NF-A8 series (see Noctua.at website for detailed compatibility info) Pads minimise the transmission of minute vibrations while maintaining full compatibility with standard fan screws and most other mounting systems White colour for creating stunning black and white themed builds with Noctuas chromax line fans Trusted Noctua quality backed up by 6-year manufacturers warranty