The ASCO Numatics disposable in-line filters include the PL Series polyurethane straight and nylon dual-barbed styles, plus the PT Series nylon straight?style. Both offer coalescing and particulate element grades. The PH Series and PX Series extended polyester housings provide particulate as well as HEPA and ULPA element grades. The PH Series also offers a clear polycarbonate desiccant dryer option utilizing blue silica gel. The all-metal MF Series includes both coalescing and particulate element grades.