02 METZER EXPE SERIES Advanced. Multi-layer. Diversified This series is designed for production of multi-layered driplines. Its innovative design includes a 3-layer extrusion head incorporated into the design, allowing varied production of driplines for diversified applications such as; Rootguard®, Anti-bacterial, usage of recycled raw- material and more. This line is suitable for experienced producers who wish the improve production profitability, introduce innovative and advanced products to their markets and gain technological advantage over their competitors.