1.5 inch NPT Adjustable-Height Pipe Adapter
The Premier Mounts APP-1321 1.5 inch NPT Adjustable-Height Pipe Adapter easily connects all projector mounts. This model features height adjustment from 13 - 21 in. (33-53.3cm) in 1.25 in. (3.18cm) increments on a 1.5 in. NPT pipe. The APP-1321 works well with flat-panel mounts and projector mounts.