Allen Tel Products GB324 19-Inch Width By 12-Inch Depth by 1.75-Inch Height Rack Mount Fiber Optic Cabinet, 3 Adapter Panel Capacity Accommodates 3 panels with up to 36 port capacity; Includes 2 fiber management spools Quick installation and cost effective: Adapter panels snap in for easy installation, removal and expansion All Rack Mount cabinets come with sliding tray; Utilizes one rack space; Comes with dust proof entries Includes all mounting hardware and wire management