16 brown anti-vibration pads for up to 2 compatible 12cm or 14cm fans Compatible with many popular Noctua 140mm & 120mm fans such as NF-A14, NF-A12x25, NF-S12A or NF-F12 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 Original brown design adds subtle brown accents to black chromax line and grey redux line fans (NF-P14s, NF-P12, NF-S12B) Trusted Noctua quality backed up by 6-year manufacturers warranty