The Blue-White F-45500L-12 Polysulfone Flowmeter is a durable inline flow indicator designed for accurate visual monitoring of low-flow liquid systems. Featuring a clear polysulfone body, this flowmeter allows quick verification of flow conditions in pool, spa, chemical feed, and water-treatment applications.

Sized for 3/4-inch piping and calibrated for a 0.5 to 5.0 GPM flow range, the F-45500L-12 provides reliable, direct-reading performance without the need for electrical power or digital controls. Its robust construction and easy-to-read scale make it a dependable solution for applications where consistent flow confirmation is essential.

Key Features:

• Genuine Blue-White Industries inline flowmeter
• Polysulfone body for durability and clear visibility
• Flow range: 0.5–5.0 GPM
• Designed for 3/4 inch inline plumbing
• Direct visual flow indication no power required
• Ideal for pool, spa, chemical feed, and water-treatment systems