All Categories > Sight Flow Indicators > S21 Series Sight Flow Indicators > S21F Series Flanged Full View Sight Flow Indicators > Advanced Search Advanced Search in S21F Series Flanged Full View Sight Flow Indicators Unit of Measure Imperial Metric Both Specifications Size (in) No Preference 1-1/2 2 3 4 6 8 Material No Preference Kynar® (PVDF)/Fluorocarbon (FKM) CPVC/Fluorocarbon (FKM) Polypropylene/Fluorocarbon (FKM) PTFE/Fluorocarbon (FKM) PVC/Fluorocarbon (FKM) Clear Cancel Advanced Search