These Maytronics Brush-Climbing-Magenta replacements (2-pack) are designed specifically for Dolphin Deluxe 3 and 4 robotic pool cleaners. Engineered to maintain optimal cleaning performance, these brushes effectively remove dirt and algae from pool surfaces, including walls and floors. Their durable construction ensures long-lasting use, helping to extend the life of your robotic cleaner while keeping your pool spotless with minimal effort. Ideal for maintaining peak efficiency in your Dolphin Deluxe series.