Portland police released a surveillance photo of the man who robbed the Scrub a Dub car wash Tuesday night.

The man entered the car wash just as employees were closing at 7:55 p.m. displayed a knife and demanded cash. Nobody was hurt.

Police released the security photo even though it is of poor quality because somebody might recognize facial features or clothing, said Lt. Gary Rogers.

The photo does show the large knife the man as armed with during the robbery.

The man is described as between 25 and 29 years old, 5-foot-9, with a thin build, a mustache and facial hair under his lower lip, police said. He was wearing a two-tone hooded jacket and jeans.

Anyone with information is asked to call 874-8533.