Police say shortly before 5:30 p.m. Thursday a man entered the bank located at 6918 Ridge Avenue and presented a teller with a demand note.
After receiving roughly $600, the man fled the bank and remains at large.
He is described as a clean shaven white man, believed to be in his 20's, wearing a black baseball cap and all black clothing.
He received no bait money and there was no dye pack.
There were no injuries to employees or customers.
Police say the man also fits the description of the man that robbed a Continental Bank at 7133 Ridge Avenue on Tuesday.
Anyone with information on the identity or wherabouts of this man is asked to call 911 or submit a tip online at the Philadelphia Police website.