BULLS EYE DOUBLE WINDOW – SIGHT FLOW INDICATORS THREADED Carbon Steel, Stainless Steel, Bronze Class 150 ASME (Up to 285 PSIG) Series S12 S12B Carbon Steel, Stainless Steel, Bronze - Class 150 ASME (Up to 285 PSIG) Series S14T S14TC Carbon Steel, Stainless Steel, Bronze - Non-ASME (150-400 PSIG) Series S13T Carbon Steel, Stainless Steel, Bronze - Non-ASME (200 PSIG) Series S27T