The Garland M8-63 Range Orifice #63 is a gas metering component used within compatible commercial range burner assemblies. Its calibrated opening controls the amount of gas passing toward the burner, allowing fuel delivery to match the specified burner requirements. Installed at the gas connection before the burner, the orifice provides a controlled passage for the incoming fuel suppl... https://partsfe.com/orifice-63-for-garland-part-m8-63