Easily connects to any Premier Mounts 1.5" NPT ceiling plate or accessory The Premier Mounts APP-1824 Adjustable-Height Pipe Adapter easily connects to any Premier Mounts with 1.5" NPT ceiling plate or accessory. The APP-1824 features height adjustment from 18 - 24 in. (457.2-609.6mm) in 1" increments on a 1.5 in. NPT pipe. It works with flat-panel mounts and projector mounts. It provides a cable routing hole with access through the pipe. This model comes with protective shipping caps and durable box construction to protect the pipe during shipping. It is also available in white finish and has a limited lifetime warranty included. Premier Mounts APP-1824 Adjustable-height pipe adapter - dimensional drawing: