Clear Vinyl Tubing - (ID) 1/4" - (OD) 3/8" - 25 ft Made from strong and durable vinyl material, these tubes are available in a variety of sizes and lengths, great for use with air or water. The tube walls are thick and flexible, and you may choose between the 100% opaque black vinyl, which prevents algae growth, or the clear vinyl that allow for complete visibility.

Inner Dimensions: 1/4"
Outer Dimensions: 3/8"