All Categories > Sight Flow Indicators > S12 Series Sight Flow Indicators > S12 Series Double Window Class 150 ASME Sight Flow Indicators > Advanced Search Advanced Search in S12 Series Double Window Class 150 ASME Sight Flow Indicators Unit of Measure Imperial Metric Both Specifications Size (in) No Preference 1/2 3/4 1 1-1/4 1-1/2 2 Material Bronze/Neoprene Carbon Steel/Neoprene 316 Stainless Steel/PTFE 3504 Standard Wetted Materials Indicating Device Drip Tube Flapper Plain Rotor Clear Cancel Advanced Search