The Culligan® UB-1 U-shape water filter bracket is used to mount the filter housing with 3/4" inlet/outlet: Culligan® HF-150A, HF-160, and HF-360 water Filter housings. For Use With 3/4" Inlet/Outlet Sediment Filter Housings TV#'s 529096 & #583328. The UB-1 bracket is easy to install and will support the housings and take the weight off of the water line.