Black Protective Case/Box/Enclosure for Raspberry Pi Model B/ 2/3 with Aluminum Heatsink Cooler - Access to All Ports
Ardess
GeeekPi Fan for Raspberry Pi 4, 30x30x7mm DC Brushless CPU Cooling Fan 3.3V 5V with 7PCS Heatsink for Raspberry Pi 4 Model B,3B+,Pi 3 & Pi Zero/Zero W & Retroflag NESPI CASE Plus (2-Pack)
GeeekPi
GeeekPi Acrylic Case for Raspberry Pi 4 Model B & Raspberry pi 3 Model B+, Pi Case with Cooling Fan and 7PCS Heatsinks for Raspberry Pi 4 Model B/Pi 3B+/ Pi 3B/ 2B (Clear)
GeeekPi
Raspberry Pi 4 Fan, iUniker Raspberry Pi Cooling Fan 30x30x7mm Brushless CPU Cooling Fan for Raspberry Pi 4 Model B, 3 B+, Pi 3, Pi 2, Pi 1 B+, RetroFlag NESPI Case(2-Pack)
iUniker