PERFECT COMPATIBILITY: This tune-up kit is specifically designed for Maytronics Dolphin Nautilus CC Plus robotic pool vacuum cleaner. Accurate calculation and precision cutted make sure a perfect fit, no additional modifications required. REPLACEMENT PART NUMBER: The tune up replacement kit replace OEM part number: Fine Filter Panels (9991433-R4), Ultra-Fine Filter Panels (9991432-R4), Brushes (6101641-R2), Tracks (9985006-R2), and Climbing Rings (6101611-R4). EXCELLENT PERFORMANCE: Replacing old or damaged parts will enhance scrubbing, improve dirt removal and maintain optimal traction, and make sure your pool cleaner is in top condition and performing at its best. .
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