100-foot roll of 3/16" black tubing. Can be cut to length using scissors.
The Flex-Tube Piping System is a very easy way to install an automated watering system that mounts directly to the outside of wire mesh cages.
Black Tubing prevents algae growth in water lines The tubing used in the Flex-Tube System is a soft, non-toxic plastic material. Because the tubing is black, it blocks light, preventing algae growth.