All Categories > Sight Flow Indicators > S21 Series Sight Flow Indicators > S21T Series Threaded Full View Sight Flow Indicators > Advanced Search Advanced Search in S21T Series Threaded Full View 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 3 Material Polypropylene/Fluorocarbon (FKM) PTFE/Fluorocarbon (FKM) Clear Cancel Advanced Search