The Dolphin Maytronics Grey Track Replacement (May-201-3226) is a set of two gray replacement tracks designed for various Dolphin robotic pool cleaners. These tracks are compatible with a wide range of models, including Active 10, 20, 30, 30i, S200, S300i, Triton PS, and many more. Ensure smooth operation and optimal performance of your pool cleaner by replacing worn-out tracks with these high-quality gray replacements.