Weld-On Yellow 1/2 in. W x 260 in. L Thread Seal Tape is a high-performance PTFE tape designed for sealing threaded pipe connections. Its yellow coloring identifies it as tape formulated for gas line applications, providing a tight, leak-resistant seal on standard metal fittings. Easy to apply and flexible to use, this tape helps ensure longer-lasting, reliable seals on plumbing, gas, and air lines.