Fan duct kit NOCTUA NA-FD1 for NH-L9i and NH-L9a series CPU coolers

Thickness of the spacers: 5 mm | Number of spouts: 16 | Thickness of the spacers: 10 mm | Ventilation duct height: 5 - 45 mm | Thickness of the spacers: 3 mm | Number of washers included: 7 | Thickness of the spacers: 7 mm | Material: EVA (Ethylene Vinyl Acetate) foam | Material: Steel | Compatibility: NH-L9i, NH-L9i chromax.black, NH-L9i-17xx, NH-L9i-17xx chromax.black, NH-L9a-AM4, NH-L9a-AM4 chromax.black | Thickness of the spacers: 6 mm | Material: Technopolymer | Thickness of the spacers: 4 mm | Number of screws: 4