The diffuser is 14cm high, 15cm wide on the outside Elastic rubber ring inside.  

1.high temperature injection,more durable.

2.The diffuser is 14cm high, 15cm wide on the outside.

3.Fit dryer socket outer diameter: 4.3cm-5.0cm , (fits most dryers)

4.Removable stretched rubber cover inside

universal diffuser for hair dryer