“Initially I used a casing with a fan included. But since I put my RPis in a server mounting shelf where the casing wasn't fitting on, I had to find another solution to cool the RPis. The installation is pretty simple and all the heat sinks have adhesive tape already attached.”
“Good quality and it did help with keeping my raspberry pi at a cooler temperature. Would be better though if it contain instructions on how to install it instead of having to look at the store page.”