---
product_id: 453477631
title: "Funmit Ultra Fine Cartridge Filter Replacement for Dolphin Nautilus CC Plus, M200 / M400 / M500 Robotic Pool Cleaner Parts, Replaces Part # 9991432-R4, 4 Pack"
brand: "funmit"
price: "€ 54.00"
currency: EUR
in_stock: true
reviews_count: 8
category: "Funmit"
url: https://www.desertcart.fi/products/453477631-funmit-ultra-fine-cartridge-filter-replacement-for-dolphin-nautilus-cc
store_origin: FI
region: Finland
---

# Ultra-fine pleated filtration tech Reusable up to 3 years with simple rinsing Universal fit for 15+ Dolphin models Funmit Ultra Fine Cartridge Filter Replacement for Dolphin Nautilus CC Plus, M200 / M400 / M500 Robotic Pool Cleaner Parts, Replaces Part # 9991432-R4, 4 Pack

**Brand:** funmit
**Price:** € 54.00
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your pool game with ultra-fine clarity—because your oasis deserves the best!

## Quick Answers

- **What is this?** Funmit Ultra Fine Cartridge Filter Replacement for Dolphin Nautilus CC Plus, M200 / M400 / M500 Robotic Pool Cleaner Parts, Replaces Part # 9991432-R4, 4 Pack by funmit
- **How much does it cost?** € 54.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/453477631-funmit-ultra-fine-cartridge-filter-replacement-for-dolphin-nautilus-cc)

## Best For

- funmit enthusiasts

## Why This Product

- Trusted funmit brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Value 4-Pack:** Keep your pool pristine year-round with a convenient 4-pack—never run out of premium filtration power.
- • **Durable ABS Frame:** Heavy-duty ABS plastic frame resists deformation, ensuring long-lasting hydraulic efficiency and structural stability.
- • **Fits 15+ Dolphin Models:** Seamlessly compatible with Nautilus CC Plus, M200, M400, M500 & more—upgrade without hassle.
- • **Ultra-Fine Pleated Filter:** Advanced pleated design traps sand, leaves, hair & debris better than standard filters for crystal-clear pools.
- • **Long-Lasting & Easy Maintenance:** Simply rinse every 4-6 weeks to maintain peak performance—each filter lasts 2-3 years, saving you time and money.

## Overview

The Funmit Ultra Fine Cartridge Filter Replacement is a premium 4-pack designed for Dolphin robotic pool cleaners including Nautilus CC Plus, M200, M400, and M500 models. Featuring a heavy-duty ABS frame and super-fine pleated filter paper, it traps debris more efficiently than standard filters, ensuring crystal-clear pool water. Easy to maintain with rinsing every 4-6 weeks, each filter lasts 2-3 years, delivering durable, high-performance filtration that keeps your pool immaculate.

## Description

M400 9991432-R4 pool cartridge filter

Review: Makes SUCH a difference! - These ultra fine filters, make a huge difference in the clarity of our water and the amount of particles that our dolphin picks up! We have had this pool cleaner for three years and they are just starting to show wear. Easy Peezy to order a new set and snap them in! Well, worth the money for the clarity of our pool. It is immaculate!
Review: fits and works great. - This fit my pool vacuum great. Nice replacement and it works.

## Features

- Wide Application: Compatible with Dolphin Robotic Pool Cleaners Nautilus CC Plus filter, M400, M500, M200, M4, M5, Wave 65, Wave 90, C3, C4, Oasis Z5i, Aquarius XL, Liberty, Odyssey, Sigma, Triton Plus(old), Replaces Maytronics part # 9991432-R4. Please confirm whether your model is applicable before purchasing
- Please Note: NOT fit for Nautilus CC, M600, E10, E20, S200/300/300i, Escape, Cayman, Proteus DX3, DX4 & DX5i, S50, S100, Active 10, 15, T15, T25, 20/30/30i, T35/45/55i, Prowler 910 & 917, 920/930, Triton PS/PS Plus, Saturn, Advantage, Echo, Encore, Solo, Warrior SE/SI/SL, Mercury, Discovery, Quantum and Premium, 9991463-R4, 9991468-R4
- Premium Quality: Make with Heavy-duty ABS Plastic Frame and Super-Fine Pet Filter Paper with pleated, firmly supports the filter layer and prevents it from breaking during operation. Not easily deformed when pool water flows through, providing maximum hydraulic efficiency and overall structural stability
- High Efficiency Filtration: With clever pleats, traps sand, leaves, hair, debris better than normal fabrics for maximum filtration efficiency, keeping your pool crystal clear
- Maintenance Performance: Please rinse the filter every 4-6 weeks for optimal performance. Timely cleaning and correct use the fiter can last 2-3 years. Package Includes: 4 x 9991432-R4 pool cartridge filter. Product Dimension: 10 1/2" x 6 3/8"
- Shop With Confidence: Funmit adhere to provide all customers with a simple, streamlined shopping experience of large appliance replacement parts, and prove that we have the highest quality parts and service out there. We stand by our products, and our customers are our focus as a business. If you have any quality problem, please contact Funmit customer service team in time, and we will try our best to solve your problems

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09XK8VN9F |
| Assembly Required | No |
| Best Sellers Rank | #109,069 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #332 in Cartridge Pool Filters |
| Control Method | Touch |
| Customer Reviews | 4.6 4.6 out of 5 stars (203) |
| Efficiency | High |
| Installation Type | robotic |
| Item Weight | 14 ounces |
| Item model number | 9991432-R4 |
| Manufacturer | Funmit |
| Product Dimensions | 10.5 x 6.38 x 10.5 inches |
| Special Feature | Traps sand, leaves, hair, debris better. |
| Warranty Type | Limited |

## Product Details

- **Brand:** Funmit
- **Color:** White
- **Material:** Heavy-duty ABS Plastic Frame
- **Model Name:** 9991432-R4
- **Power Source:** Battery Powered

## Images

![Funmit Ultra Fine Cartridge Filter Replacement for Dolphin Nautilus CC Plus, M200 / M400 / M500 Robotic Pool Cleaner Parts, Replaces Part # 9991432-R4, 4 Pack - Image 1](https://m.media-amazon.com/images/I/71QvO6+xE0L.jpg)

## Questions & Answers

**Q: Do these fit the dolphin Premier?**
A: Dear Customer,
Sorry, doesn't fit.
Our ultra fine filters compatible with Dolphin Robotic Pool Cleaners Nautilus CC Plus filter, M400, M500, M200, M4, M5, Wave 65, Wave 90, C3, C4, Oasis Z5i, Aquarius XL, Liberty, Odyssey, Sigma, Triton Plus(old), Replaces Maytronics part # 9991432-R4. 
Thank you for your question.
If you have any problems please kindly contact us.
Funmit

## Customer Reviews

### ⭐⭐⭐⭐⭐ Makes SUCH a difference!
*by A***H on August 16, 2025*

These ultra fine filters, make a huge difference in the clarity of our water and the amount of particles that our dolphin picks up! We have had this pool cleaner for three years and they are just starting to show wear. Easy Peezy to order a new set and snap them in! Well, worth the money for the clarity of our pool. It is immaculate!

### ⭐⭐⭐⭐⭐ fits and works great.
*by A***R on April 17, 2025*

This fit my pool vacuum great. Nice replacement and it works.

### ⭐⭐⭐⭐⭐ OEM replacement, good choice
*by J***U on June 27, 2025*

Been using these for 3 months and have no issues. Seem to do a solid job and easy to clean. No complaints.

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**Shop now:** [https://www.desertcart.fi/products/453477631-funmit-ultra-fine-cartridge-filter-replacement-for-dolphin-nautilus-cc](https://www.desertcart.fi/products/453477631-funmit-ultra-fine-cartridge-filter-replacement-for-dolphin-nautilus-cc)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-12*