Sight Glasses — Clear PVC, Socket, 1/2 in. to 6 in.

Sight glasses are clear PVC viewing tubes that allow visual inspection of fluid flow and levels within piping systems. Offered in sizes from 1/2" to 6" and lengths from 8" to 24", these corrosion resistant sight glasses deliver reliable clarity and consistent performance for water treatment, chemical handling, process monitoring, and industrial fluid systems. Built with quality materials, they provide dependable service for critical visual verification in piping applications.