Durable and reliable rubber construction with a ribbed design to maximize suction power and coverage, helping keep your pool clean. Made from tough rubber for long life and a smooth cleaning experience. Unrivaled cleaning performance with wide coverage. Inner diameter 110 mm (4.4 in) and outer diameter 420 mm (5 in) provide a size that helps ensure safe installation and effective cleaning across a broad area. Easy maintenance and multifunction design. Simplifies upkeep and helps your pool cleaner operate with better performance; maintenance is easier and the design supports versatile use. Broad compatibility for reliable operation. The ribbed seal ring for pool cleaners is the ideal solution for flawless pool cleaning performance. No loss of suction or mobility guarantees efficient and smooth operation of your vacuum across a variety of models. Use scenarios: - Replace worn seals on your pool cleaner to restore suction and coverage during maintenance. - Upgrade cleaners for routine maintenance to sustain high cleaning efficiency in residential pools. - Manage multiple cleaners in homes or facilities to ensure consistent performance across models.