SERVICE UNIT COMBINATION MSB4-1/4:C3J3-WP CONSISTING OF MANUAL ON-OFF VALVE, FILTER REGULATOR AND WALL MOUNTING PLATE. 12 BAR MAXIMUM OUTPUT PRESSURE, 5 MICROMETER FILTER, WITH PRESSURE GAUGE, LOCKABLE REGULATOR HEAD, PLASTIC BOWL WITH PLASTIC BOWL GUARD, MANUAL CONDENSATE DRAIN, DIRECTION OF FLOW: FROM LEFT TO RIGHT. SIZE=4, SERIES=MS, ACTUATOR LOCK=(* ROTARY KNOB WITH LOCK, * WITH ACCESSORIES, LOCKABLE), ASSEMBLY POSITION=VERTICAL +/- 5°, GRADE OF FILTRATION=5 MICROMETER