Description
Product Overview
The Noctua NA-IS1-12 inlet spacer set is engineered to eliminate airflow turbulence caused by perforated panels, grills, and filters. Each 12cm spacer provides a precise 5mm offset, improving static pressure and reducing fan noise. Constructed from high‑quality, low‑vibration material, the set includes two spacers, eight anti‑vibration mounts, and a comprehensive screw kit for both case and radiator installations.
![[Product front view showing all components]](https://www.yashago.store/wp-content/uploads/2026/06/9683170f09a548d096a38c9ac9127ad1.jpg)
Usage
Ideal for PC enthusiasts seeking quieter, more efficient cooling, these spacers work perfectly with Noctua’s NF‑A12x25, NF‑F12, NF‑P12 redux, and NF‑S12A series fans. Install them on case intake fans, pull‑fans on water‑cooling radiators, or any scenario where air passes through mesh or filter panels. The set ensures smoother airflow in tight spaces, enhancing overall system performance.
Why Choose Us
We combine Noctua’s renowned engineering with a complete installation package, eliminating the need for additional parts. Each component undergoes strict quality testing to guarantee durability and consistent performance. Our dedicated support team is ready to assist with any installation questions, ensuring a hassle‑free experience.
Key Features
- 5mm offset reduces airflow turbulence for quieter operation
- Improves static pressure, boosting cooling efficiency
- Includes anti‑vibration mounts to minimize fan vibration
- Complete screw set covers case and radiator mounting needs
- Responsive customer support and warranty for peace of mind
FAQ
Will this spacer fit my existing Noctua 120mm fans?
Yes, it is compatible with all current Noctua 120x25mm fans such as NF‑A12x25, NF‑F12, NF‑P12 redux, and NF‑S12A series.
Can I use these spacers with fans from other brands?
The design is optimized for Noctua fans; using it with other brands may not provide the same airflow benefits.
What mounting hardware is included?
The kit contains eight anti‑vibration mounts, eight screws for case fan installation, eight M3 screws for radiators, and eight UNC 6‑32 screws for radiators.
Is installation difficult?
No, the included hardware and clear instructions allow most users to install the spacers in under 15 minutes.
Does the spacer affect fan warranty?
When installed according to the guidelines, the spacer does not void the fan’s original warranty.






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