Fast, easy, no-leak fittings that make installing drip systems fun instead of frustrating. Insert fittings take much more time to install, are hard or impossible to remove, and—when you add the cost of clamps—more expensive. It's almost impossible to reuse compression fittings and they're also much harder to install. With these, you just twist the lock nut to quickly install or remove. Use with our .620 x .710 supply line or pressure compensating emitter tubing. These also work with most standard 1/2" drip supply line types (but not RainDrip). The inside diameters need to be between 0.59 and 0.63."