DDP - DUAL CEILING BOOM by MOSMATICAll Mosmatic ceiling booms are fitted and delivered with a standard G1 4 inner and outer screw thread. We can also fulfill individual requests and offer a variety of thread sizes and types. An additional fitted connection to the fluid supply guarantees maximum freedom of choice and can be adapted to any individual self service car wash system. The dual ceiling boom is most efficient when installed in the pre wash section of a car wash. This is the