Sight Flow Indicators
Local visual indicators of flow rate.
 | Series SFI-100 & SFI-300 MIDWEST Sight Flow Indicator. Inexpensive Protection for Expensive Equipment and Systems |  | Series 500 Sight Window. Shows Level or Contents of Tanks, Pipelines; Tempered, Replaceable Glass Window |
 | Series 550 Sight Window. Shows Level or Contents of Tanks, Pipelines; Fused Glass and Steel Construction |  | Series SFI-300F MIDWEST Sight Flow Indicator. Inexpensive Protection for Expensive Equipment and Systems |
 | Series SFI-400 MIDWEST Sight Flow Indicator. Inexpensive Protection for Expensive Equipment and Systems |  | Series SFI-700 MIDWEST Sight Flow Indicator. Inexpensive Protection for Expensive Equipment and Systems |