Review (2/5): Just buy the sturdy, more expensive one!
First I had to force it on to me dryer and actually cut off a section of tje grip on the inside, but once it was on it worked great for a while!! Hair stayed voluminous all day and still dried thoroughly, and it didnt take a lot of effort to get that fluff....BUT, after a couple months, the face of the diffuser popped off and I thought, I'll just glue it back on. But, everything I tried it just wouldn't stay on....only got a couple months use out of it and I've had my blow dryer for years. I expect things like that to last amd be an investment. Now, here I am back on look I g dor a diffuser. Just buy the sturdy, more expensive one...it'll be the greater investment in the long run.