Positives: High level of system functionality easily achieved using standard components Load control Relief protection Anti cavitation protection Flushing Anti boosting Highly flexible packaging opportunities Single manifold system containing both meter in and meter out Meter in and out elements may separated on the equipment Porting locations may be positioned to suit specific installation needs System performance can be easily optimized with the individualized selection of components (component sizes can be scaled in a single package, based on separate function flow requirements.)