The Primex CPO4 is a 4-port customer premise wall outlet that allows flexible in-suite termination of multiple services including fiber, telephone, data, voice, and video keystone jacks. Part number 125-0911 is the empty version (keystones sold separately). It accommodates up to four standard Cat5e, Cat6, RJ-11/RJ-12, and Auto-Shutter Fiber Jack keystones in a compact, low-profile housing that fits a standard 4" x 2" wall outlet receptacle. Made of flame-retardant ABS polymer and UL listed. Primex is a product line of Oldcastle Infrastructure.