SMC AF20-N02B-2Z-X480 Air Filter, Modular F.R.L. MSRP: Now: $39.20 Was: AF20-40, Modular Style Air Filter, Epoxy CoatedGeneral purpose 5 micron filtration with modular- connectivity to other SMC air preparation components. External surfaces are epoxy coated to provide- an economical alternative for extended life in... MSRP: Now: $39.20 Was: