Eheim 12/16mm 3m Green Hose

The Eheim 12/16 mm 3 m hose is a flexible, transparent-green tubing designed for aquarium use. It has a 12 mm internal diameter / 16 mm external diameter and comes in a 3-metre length — making it well suited for connecting external filters, sumps, or return/outflow plumbing in both freshwater and marine systems.