Raspberry Pi Dual Cooling Fans Kit (Compatible for Raspberry Pi 3B/3B+/4B)

This is a one-fan Raspberry Pi radiator compatible with Raspberry Pi 3B/3B+/4B. The heat sink is made of high-quality aluminum, and the surface is designed with slots, which is more conducive to heat dissipation. Two 7mm 9-blade cooling fans are installed on the aluminum heat sink. The heat sink comes with adhesive backing for easy installation. Clean the surface of the Raspberry Pi CPU, then tear off the adhesive film and stick the heat sink to the surface of the CPU, then you are good to go!