We stock two different models that are installed in the process line to provide immediate visual indication of fluid flow and clarity.

F152-01

• installable in vertical or horizontal lines
• brass construction
• Buna-N seals
• borosilicate sight glass window
• nylon ball
• broad compatibility
• stock model is ¼” FNPT

FM-3/4

• dual scale: 15-30 LPM & 4-8 USGPM
• installed in vertical or horizontal lines
• 304 SS body and internals with no gaskets to leak
• stock model is ¾” FNPT