The perforated metal muffler includes a manually adjustable tapered metering valve to provide pinpoint control over airflow in pressure (exhaust) applications and vacuum release in vacuum systems
Use external adjusting screws to measure air flow between full closure and full opening
Lock nuts allow you to lock desired Settings to prevent accidental changes
Made of 40 micron sintered porous bronze and galvanized steel, durable and superior noise reduction and airflow control
Recommended for pressures up to 125 psi (8.6 Bar)