A 27-year-old Salt Lake man is facing felony charges of manufacturing meth after his mother discovered suspicious materials in his room.

Police were called to the residence at 466 N. 1000 West Friday evening after the mother made the discovery.Lt. Phil Kirk said the man was already in custody because he had been arrested several days ago on local warrants.

Kirk said officers found several mason jars with an amber-colored liquid in them, a 5-gallon water jug wrapped in duct tape and a filter, among other items. Agents with the Drug Enforcement Administration were notified, as well as investigators with state crime lab.