Overview This 1" ID black spiral tubing delivers reliable water delivery for pond pumps and water features. The kink-free design maintains consistent flow without crimping, making it ideal for both above-ground and submersed applications. What You Get 1" inside diameter flexible tubing with reinforced spiral construction for durability and flexibility. Sold per foot. Choosing the Right Tubing Size Proper tubing diameter prevents pressure loss and ensures your pump operates efficiently. Use this chart to match your pump's maximum flow rate to the correct tubing size: Maximum Pump Flow Rate (GPH) Required Tubing Diameter 300 1/2" 720 3/4" 1,200 1" 2,000 1-1/4" 3,000 1-1/2" 4,800 2" Why Size Matters Undersized tubing creates friction loss, reducing flow rate and forcing your pump to work harder. Oversized tubing wastes space and cost. This 1" size works best for pumps rated between 1,000–1,500 GPH. Always consult a friction loss chart for your specific installation distance and elevation changes.
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