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❄️ Bridge the gap, beat the heat — your SFF rig’s secret weapon!
The Noctua NA-FD1 fan duct kit is a modular EVA foam solution designed to bridge gaps between NH-L9 series CPU coolers and perforated SFF case panels. By channeling fresh outside air directly to the cooler, it improves thermal performance by up to 5°C. Adjustable in 1mm increments from 5 to 45mm, it fits popular compact cases like Dan A4-SFX and Loque Ghost S1. Easy to install and backed by a 6-year warranty, it’s the smart upgrade for millennial pros demanding efficient, quiet, and reliable cooling in small form factor builds.













| ASIN | B09HKXRQCD |
| Best Sellers Rank | 60,504 in DIY & Tools ( See Top 100 in DIY & Tools ) 138 in Ducting |
| Brand | Noctua |
| Compatible Devices | Desktop |
| Cooling Method | Air |
| Country Of Origin | Taiwan |
| Customer Reviews | 4.5 4.5 out of 5 stars (497) |
| EU Spare Part Availability Duration | 6 Years |
| Included Components | EVA foam spacers, installation manual, warranty card |
| Item Dimensions L x W x H | 12L x 9.9W x 4.8H centimetres |
| Item Highlight | NH-L9i, NH-L9a Series Compatible and 92mm Fans, Improves Cooling Boosts Performance, Set of: 2x10mm, 7mm, 6mm, 5mm, 4mm, 3mm |
| Item Weight | 54 Grams |
| Manufacturer | Noctua |
| Manufacturer Part Number | NA-FD1 |
| Material | EVA foam |
| Model Number | NA-FD1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Warranty | 1 Year Manufacturer |
| Unit Count | 1.0 count |
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