Noctua NA-FD1, CPU Cooler Fan Duct Kit for SFF PC Cases

Bridges the gap between the fan and perforated case panels in order to enable the cooler to draw in fresh air from the outside for improved cooling performance (up to 5C and more) | Modular system made from EVA foam spacers, adjustable from 5 to 45mm in 1mm increments, ideal for popular SFF cases (e.g. Dan A4-SFX, Loque Ghost S1) | Compatible with NH-L9i (chromax.black), NH-L9i-17xx (chromax.black) NH-L9a, NH-L9a-AM5 (chromax.black) and NH-L9a-AM4 (chromax.black) | Easy, straightforward installation procedure | Trusted Noctua quality backed up by a 6-year manufacturers warranty