Reversed Airflow, Wireless Control, and Bold ARGB Lighting for Unique Showcase Builds: The Lian Li UNI FAN SL-INF Reverse Blade Wireless 120 mm fans in Black are the perfect choice for PC builds with exposed rear views or inverted airflow layouts. Featuring a distinctive reverse blade design, these fans draw fresh air in through the illuminated side – ideal for unconventional setups and show builds without visual compromise. Constructed from a refined blend of PBT plastic, polycarbonate, and aluminium, each fan offers a premium finish and long-lasting durability. With three independently controllable ARGB zones, including dual-sided light strips with alternating effects, your system is brought to life with vivid, customisable lighting. Control is wireless via the included L-Wireless Controller, compatible with SL/TL Wireless fans and Strimer Wireless cables. Each fan delivers strong thermal performance with up to 2,300 RPM, 2.2 mmH₂O static pressure, and an airflow of 118.44 m³/h, while operating quietly at just 32.2 dB(A). The updated receiver features a 4-pin PWM cable for automatic BIOS detection, making integration into your system fast and seamless. Whether you’re installing an inverted radiator or highlighting a rear panel layout, the SL-INF Reverse Blade Wireless Triple Pack in Black delivers innovative cooling, wireless freedom, and striking ARGB design – perfect for enthusiast builds with bold visual ambitions. Note: The required L-Wireless Controller is included in this triple pack.