Point-Source low-flow emitters for watering the root zones of plants, trees and container plants. Ideal for watering the root zones of plants, trees and container plants. Xeri-Bugs emit water at rates of 0.5, 1.0 and 2.0 gph which allows soils to absorb water more completely into the root zones of plants. Xeri-Bugs are an ideal choice for those wishing to to conserve water or eliminate excessive run-off. The only emitters with self-piercing barbs, making them the easiest to install using the Xeriman™ tool. Widest selection of pressure-compensating emitters, with 3 flow rates and 3 inlet options. Most compact and unobtrusive emitters.