This Silicone Rubber Tubing is interchangeable with standard 8 mm Blumat tubing. It's more expensive but extremely easy to use. We like to put it after a valve at the end of a loop or line and use it as a handy water source. Being so flexible, it's easy to fill a little container, give a plant a little extra water, or ...
It's extruded from a specially formulated silicone with a hardness rating of 60 Shore A and heat stabilized to ensure re-use and can handle temperatures up to 500°F (260C). It's non-staining, reusable, and we can cut this to the length you need.
We also have this in 100' rolls for $59, 50' rolls for $39, and you can buy any quantity by the foot at $1 per foot.