Green PVC tubing for connection between pump, UV, filter, etc. The hose is translucent allowing easy observation and maintenance of debris and blockages. This 10m roll is made to imperial sizing with an internal diameter of 1 inch (approximately 25mm converted to metric) and a wall thickness of 1.5mm. Pisces Green PVC Pond and Garden Hose is suitable for a range of jobs around the garden, home, and pond. It is highly flexible, making it a perfect choice for any job, and simple to install even in tricky locations. The strong PVC construction allows the hose to withstand water pressure, and its green-tinted translucent finish makes it easy to observe for blockages and discourage algae build-up. The hose is 25mm (0.5" Inch Approx) in diameter and comes in a 10 Metre length, dispatched as a continuous length.