The AC-D series of modular F.R.L. brings a modern appearance to SMC's line of air preparation equipment while maintaining the high performance of our other series. The maximum set pressure of the AC-D is 125 psi allowing use in a broad range of applications. Most of the features of the AC-A and -B have been incorporated into the AC-D - transparent bowl guards for full visibility; embedded gauges and pressure switches; reduced maintenance space and simplified element change on AF-D series filters.