Johnson A-4110-604 Coalescing Filter 10 SCFM

All coalescing filters are equipped with an automatic drain from which accumulations of entrapped liquids are automatically blown out. The filter element should be replaced when the leaving air pressure gauge (mounted on the PRV station charcoal filter head) indicates less than 50 PSIG (350 kPa) the differential pressure between the leaving and input gauges is 15 PSI (105 kPa) or more, or after one year of service - whichever occurs first.