Blue-White FI-100 CHEM-FEED® Flow Indicator – 1/4″ (FI-100-4V) or 3/8″ (FI-100-6V) Tubing

The Blue-White FI-100 CHEM-FEED® Flow Indicator provides a quick, reliable way to visually confirm chemical flow in your feed system. Designed for use with peristaltic pumps, diaphragm pumps, and other chemical feed applications, it allows operators to ensure proper dosing at a glance.

This flow indicator is available in two versions to fit common tubing sizes:

• FI-100-4V – For 1/4″ tubing

• FI-100-6V – For 3/8″ tubing

Constructed from durable, chemical-resistant materials, the FI-100 is built to handle a variety of water treatment chemicals including chlorine, acids, and other common sanitizers. The clear viewing window and internal paddle or ball provide a simple, low-maintenance way to monitor system performance without tools or electronics.

Key Features

• Genuine Blue-White OEM flow indicator

• Visual confirmation of chemical feed flow

• Available for 1/4″ (FI-100-4V) or 3/8″ (FI-100-6V) tubing

• Compatible with peristaltic and diaphragm pumps

• Chemical-resistant construction for long service life

• Easy, in-line installation with no special tools

• Low-maintenance design with clear viewing window