The EXT-0609 is a 6" to 9" ceiling mast extension. It will work with any manufacturer's ceiling mounts that use 1.5" NPT masting. The EXT-0609 is adjustable in length and pre-threaded.
Works with VMP ceiling mounts that use or have been adapted to use 1.5" NPT pipe
Works with any manufacturer's ceiling mounts which use 1.5" NPT pipe