Neptune Systems DOS Replacement Tubing 4 meter is designed for extending the reach of your DOS Dosing and Fluid Metering System. Whether you need more distance between your pump and the DDR reservoirs or from the pump to your tank, this 4 meters long durable replacement tubing offers flexibility and convenience. Ideal for ensuring precise dosing in larger or uniquely configured setups, it’s an essential accessory for maintaining your Neptune Systems DOS system’s performance.