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