Funmit Ultra Fine Cartridge Filter Replacement for Dolphin Nautilus CC Plus, M200 / M400 / M500 — 4 Pack

Elevate your pool maintenance with Funmit Ultra Fine Cartridge Filters, designed to replace the 9991432-R4 part and support a range of Dolphin robotic cleaners. This 4-pack is crafted for long-term use, combining sturdy materials with a precise fit that helps keep your pool water inviting and clear. While results can vary with usage, many swimmers notice fewer debris remnants and steadier cleaning cycles when a fresh cartridge is installed.

Why choose Funmit 9991432-R4 replacement filters

• Wide compatibility across Dolphin models including Nautilus CC Plus, M200, M400, and M500; please verify your exact model before purchase to ensure a proper fit.
• Premium construction features a heavy-duty ABS frame and a super-fine PET filter media, designed to resist deformation and maintain structural stability during operation.
• Efficient pleated design increases surface area, helping trap sand, leaves, and hair more effectively for clearer water between cleanings.
• Regular rinsing every 4-6 weeks helps maintain peak performance; with proper care, these filters can last 2-3 years.
• The 4-pack provides convenient replacements so you can swap quickly and stay on schedule with maintenance.

What’s in the box and key specs

• Package includes 4 x 9991432-R4 pool cartridge filters
• Product dimensions: 10 1/2 in x 6 3/8 in

How to use and care for your replacement filters

Insert the new cartridge into your Dolphin cleaner following your device manual. Rinse the filter to remove debris every 4-6 weeks and monitor performance. Replace when you notice reduced suction or longer cleaning cycles.

Shop with confidence

Funmit aims to deliver simple, reliable parts and support for large appliance replacements. If you encounter any quality concerns, our customer service team is ready to help you find a quick resolution.