These are Antminer 4inch silencer that go to a 5 inch pipe. 
 
These will work on any 120mm / 5 inch based fan / miner. 
 
The color will be printed at random - depends on what I have the most of at the time of your order. 
 
If this is an issue please select available color options at check out. 
 
These are printed in high quality on PLA. 
 
I also have 5 inch shrouds available if needed too!
 
Dimensions: 120x120x52mm