Sintered Bronze Speed Control Muffler 1/2" NPT - Package of 5 Connection: 1/2" NPT Max Adjustment Flow: 100 SCFM Approx. Height (Full Open): 2" Hex: 7/8" Material (Body): Brass Material (Element): Sintered Bronze (40 micron) Max Operating Pressure: 300 PSI Operating Temp: 35F to 300F.
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