Spears tube fittings are Schedule 40 gray PVC connectors that include male adapters, female adapters, insert adapters, and 90-degree elbows, designed to join tubing and pipe in fluid systems. These fittings are suitable for water, chemical, drainage, and general industrial plumbing applications where rigid plastic components are required. Engineered for consistency and dimensional accuracy, the Spears line ensures reliable sealing, predictable flow, and long service life across common sizes from 1/2″ up to 6″.