【Compatibility】: Compatible with Hayward Aquavac TigerShark, TigerShark Plus, Aquavac TigerShark QC, and SharkVac Pool Cleaner. 【Improve the Performance of Your Robotic Pool Cleaner】: Worn tracks cause several performance setbacks for your automatic pool cleaner. It can start with slow movement, lack of traction on the pool floor, and an inability to climb walls. Don't wait until the cleaner starts to malfunction. 【Premium Quality】: Made of high quality solid rubber, safe and strong, can be used for a long time. 【Quick and Easy Installation】: No special tools are required. It only takes a few minutes to replace the old one, replace it with a new one. 【Satisfaction Guaranteed】: It is not manufactured or sold by Hayward, but has the same performance as the original.