Perlick 63000A1 Barrier Tubing is designed for draft beer systems, featuring a 3/8" inner diameter. This high-quality tubing comes in a 100-foot roll, allowing for customizable lengths to suit your specific installation needs. Engineered to minimize oxygen ingress and maintain beer quality, the barrier tubing ensures optimal flavor and freshness. Its durable construction resists kinking and abrasion, making it ideal for both commercial and home brewing applications. Perfect for creating a reliable and efficient draft beer system.