its long like capsual its white with a A or upside down V on one side and 150 on the other ## white capsule with an upside down V 150 on one side and blank on the back side. ## I have these pills in my jar of CVS pharmacy chest congestion relief. It's suppose to be 400 mg guaifensin and 20mg dextromehorphan. However, in the save jar I found other pills with TCL 280 that have also been identified as guaifensin... go figure! ## Did you find out what they were? ## Generic mucinex dm. I buy them for my dog