Ceiling Adapters for Truss and I-beam Structures Peerless heavy duty ceiling plates have extended load capacities for supporting mulit-displays and large plasma displays. Some models are compatible with threaded EXT or ADJ columns for single unit mounting applications. Other models compatible with ADD models for multi displays only. Check your requirements before ordering to ensure compatibility. - Includes truss ceiling plate with integral high density rubber decoupler assembly to prevent vibrations - Attaches to round, square, rectangle, or I-beam trusses up to 3" wide x 31/2" high - Unit has 1-1/2" - 11.5 NPT fitting for attachment of extension column
