Uses 75% less water than regular watering methods, and it is so convenient. Easy to install, with scissors being the only tool you'll need. Drip holes are spaced every 12" to ensure that plant roots receive plenty of water. This drip method releases water to plants slowly and evenly. The kit contains 100' drip tubing, 1 regulator/screen assembly, 3 perma-loc tees and 1 perma-loc elbow. Fits a garden with four, 22' rows spaced 4' apart or a 200-square-foot garden bed. Weighs 2 pounds.