BULLS EYE DOUBLE WINDOW SIGHT FLOW INDICATORS FLANGED Class 150 ASME – Carbon Steel, Stainless Steel, Bronze(Up to 285 PSIG) Series S14FB S14FC Class 150 Non-ASME – Carbon Steel, Stainless Steel(Up to 285 PSIG) Series S13F Class 150 Non-ASME – Carbon Steel, Stainless Steel(Up to 200 PSIG) Series S27F CLASS 300 ASME – Carbon Steel, Stainless Steel(Up to 740 PSIG) Series S16FB S16FC Class 600 ASME – Carbon Steel, Stainless Steel(Up to 1480 PSIG) Series S16F