General description The 4PCS Pool Cleaner Climbing Rings are designed as replacements for various pool cleaner models, including Dolphin M200, M400, M500, and others. These rings enhance safety and improve the efficiency of your pool cleaning process, ensuring a smooth and enjoyable swimming experience. Technical specifications Material: PVA Weight: Approx. 82.00g / 2.89oz Compatibility and accessories Compatible with Dolphin M200, M400, M500 Also fits Aquarius XL, Sigma, Triton (old model), Deluxe 4/5, Apollo Plus, Endeavor, Saturn (old model), Apollo, Prowler 820, and 830 Installation Soak climbing rings thoroughly in water until they expand and soften enough for installation. Carefully slide the rings into place, ensuring they are securely positioned. Usage Designed to provide excellent traction and grip for efficient pool cleaning. Helps your pool cleaner access every corner of the pool effectively.