Premium materials for Dolphin pool cleaners keep your Dolphin robot running efficiently and lasting longer. They are perfect for keeping your pool safe and functioning properly.Replacement tracks for pool cleanersKeep your pool cleaner in top condition with this replacement track.Improve the performance of your robotic pool cleanerWorn tracks can cause a variety of performance issues with your automatic pool cleaner. It can start with slow movement, lack of grip on the pool bottom, and inability to climb walls. Dont wait until your cleaner starts to malfunction.Replace the tracks in pairsIt is tempting to just replace a track that looks more worn. However, it doesnt take long for the other track to catch up with the wear on the paired track. Wear is not always obvious, especially with tracks that wear in a consistent, clean pattern. However, as a rule of thumb, tracks that are over 2 years old should be inspected for wear and replaced if necessary.Color As shownMaterial PPPackage contents2Underwater robot transmission beltOnly the above package contents, other products are not included.Note Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is13 cm.