Raspberry Pi 4 Aluminum Enclosure with Dual Cooling Fan or Passive
Aluminum Metal Heatsink Raspberry Pi 4 Case with Dual Fans : ID
The Ultimate Raspberry Pi & Maker Store– The Pi Hut
Case Fan & Heatsink for Raspberry Pi 4 Case
Official Raspberry Pi 4 Case Fan and Heatsink : ID 4794 : $5.00
Raspberry Pi 5 Official Case with Fan – Red/White
Official Raspberry Pi 4 Case Fan and Heatsink : ID 4794 : $5.00
Official Raspberry Pi Foundation Raspberry Pi 4 Case - Red White
Adafruit BrainCraft HAT - Easy Machine Learning for Raspberry Pi
Raspberry Pi 4 Model B (8GB)