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4-1/2”, Style 1028 Pressure Rings, SSF, Gold color (SuperGold®), -10 to +300°F, 40,000 psi，Standard Service
4-1/2”, Style 1028 Pressure Rings, SSF, Gold color (SuperGold®), -10 to +300°F, 40,000 psi，CO2 Service
4-1/2”, Style 1028 Pressure Rings, SSF, Gold color (SuperGold®), -10 to +300°F, 40,000 psi，Standard Service
4-1/2”, Style 1067 Pressure Rings, SSF, Black color, -10 to +250°F, 15,000 psi, Standard Service
4-1/2”, Style 1067 Pressure Rings, SSF, Black color, -10 to +250°F, 15,000 psi, CO2 Service
4-1/2”, Style 1067 Pressure Rings, SSF, Black color, -10 to +250°F, 15,000 psi, Standard Service
4-1/2”, Style 4501 Pressure Rings, SSF, Gray Black color, -110 to +500°F, 5,500 psi，Standard Service