• Perfect Fit: Compatible with Dolphin M200, M400, M500; Nautilus CC Plus (Not for Nautilus CC or Nautilus Pro); Oasis Z5i, Sigma, C3, C4, Triton Plus (old), Aquarius XL robotic pool cleaner filters; part# 9991432-R4. All manufacturers' names and part numbers are used for compatibility information only
• Dimensions: 10-1/2'' x 6-3/8'' per filter, the same as the original filters. Includes a complete set of 4-pack for quick replacement
• Powerful Filtration: The ultra-fine and heavy-duty paper with more pleats for maximum filtration efficiency, easily removes debris, keeping your pool sparkling
• Premium Quality: ABS plastic frame ensures more sturdy and enduring, providing maximum hydraulic efficiency and overall structural stability
• Washable & Reusable: The filter is easy to clean for reuse, greatly saving your money on the water bill, providing you with more time to enjoy the pool