Supply precise watering to your plants to help them grow and thrive with the 1 GPH Take-A-Part Flag Dripper. This emitter keeps the soil moist around the plants root zone for optimal hydration. Ideal for watering individual plants, shrubs, and trees, & plants in containers and hanging baskets. The color-coded flag indicates the GPH the dripper delivers, but does not adjust the water flow. How did the Take-A-Part Flag Dripper get its name? The emitter pulls apart for clean out when you tug the flag. The 1 GPH Flag Dripper emits up to 1.70 GPH at 15-50 PSI and is made of polyethylene treated with UV inhibitors.