The APP-0609 adjustable height suspension adapter easily connects to any Premier Mounts 1.5" NPT ceiling plate or accessory. The APP-0609 features height adjustment from 6 - 9 in. (152.4-228.6mm) in 1 in. (25.4mm) increments. - Protective shipping caps and durable box construction protects the pipe during shipping - Works with flat-panel mounts and projector mounts - Works with any 1.5" NPT ceiling plate or accessory - Adjusts from 6 - 9 in. (152.4-228.6mm) in 1 in. increments on a 1.5 in. threaded pipe