Premier Mounts PP-5A Ceiling Plate - Black

This adapter plate has a 1-1/2in threaded coupling for national tapered pipe. It is used in conjunction with 1-1/2in single-pipe adjustable-height suspension adapters (ASA-2446 or AST-2446) for drop distances of more than 3ft10in. Pipe coupling is slotted for safely routing signal cable through pipe interior.