Product Description Black Ribbed Tubing Smooth lining with a rigid crush resistant helix and corrugated PVC cover. Very flexible with a good bend radius, smooth bore and weather resistant. This hose is ideal for the pond as the colour makes it nearly invisible and it does not squash flat restricting the water flow. It is also ideal for passing your cable through before burying it or clipping it to the fence. Light duty suction and delivery hose, ideal for use in ponds for connection hose to pumps, filters and water features. -5C +60C. The Larger the Size the less the back pressure and therefore an increase in flow rate. Available in (diameter x length) 12mm x 30m 20mm x 30m 25mm x 30m 32mm x 30m 38mm x 30m