I did not check the dimensions of my dryer before getting this, so I can only rate based on the appearance and not the function.

It looks to be well made. There is a rubber grip to hold the diffuser onto your dryer. You can twist it to allow for more or less air flow.

It does not look or feel cheap.

Growing out my curly hair and needed a diffuser to help with drying. This one is great! You can adjust the airflow, fits my hairdryer and is deep without being too deep! Great buy.

Diffusers can be kind of a pain in the butt to use because theyre not the fastest method of getting your hair dry. But ya gotta do it to protect the waves/curls!