Build an SCBA from Partially Configured SKUs: Build an SCBA in five simple steps by choosing from PARTIALLY CONFIGURED SKUs. Each of the steps listed below includes pre-configured part numbers with the most popular options available. Choose the harness assembly, facepiece, communications device and cylinders that will serve you best. This is Step 5 for building a TITAN SCBA from partially configured SKUs. From the options, below, choose a Spare Cylinder, or go back to Titan Easy Selection Guide.