Low cost, lay flat, water tubing for irrigation. Poly-Pipe can help you lower water usage in two ways. First, the dry headland allows access to all of the gates. This permits the irrigator to make precise adjustments so the correct amount of water is released for the conditions. This accurate control also ensures that all of the water will reach the furrow ends at the same time, minimizing tail water waste. Second, Poly-Pipe can increase your irrigation setting.