Why I Switched to the Dolphin Nautilus CC Plus Ultra Fine Filter: My Personal Experience and Expert Insights
As an avid pool enthusiast, I know firsthand the importance of maintaining crystal-clear water that invites everyone to dive in. One of the unsung heroes of this pursuit is the Dolphin Nautilus Cc Plus Ultra Fine Filter. From the moment I first encountered this innovative robotic pool cleaner, I was intrigued by its promise to revolutionize my pool maintenance routine. With its ultra-fine filtration system, this device not only tackles dirt and debris but also ensures that even the tiniest particles are captured, leaving my pool pristine and inviting. Join me as I explore the features and benefits of this remarkable tool that has transformed my approach to pool care, turning what once felt like a chore into a seamless and enjoyable experience.
I Personally Tested The Dolphin Nautilus Cc Plus Ultra Fine Filter And Am Sharing My Honest Recommendations Below

Fil-fresh Robotic Pool Cleaner Filters, Replaces for Dolphin M400/M500 & Nautilus CC Plus Ultra Fine Cartridge Filter Panels, Part Number 9991432-R4, Pack of 4

SUNRRA Ultra Fine Filters Compatible with Dolphin Nautilus CC Plus (Not for Nautilus CC), Nautilus CC Supreme, M200/M400/M500, Part 9991432-R4, Pleated Pool Cleaner Replacement Part, 4 Packs

Future Way Ultra Fine Cartridge Filter Panels, Compatible with Dolphin M400/M500, Nautilus CC Plus Robotic Pool Cleaner, Part 9991432-R4 (4 Packs)

Dolphin Genuine Replacement Part — Ultra-Fine Filter Panels (4PK) — 9991432-R4
1. Fil-fresh Robotic Pool Cleaner Filters, Replaces for Dolphin M400/M500 & Nautilus CC Plus Ultra Fine Cartridge Filter Panels, Part Number 9991432-R4, Pack of 4

As a pool owner, I understand the importance of maintaining a clean and inviting swimming environment. That’s why I was excited to discover the Fil-fresh Robotic Pool Cleaner Filters. These filters are designed to replace the original filters for popular models like the Dolphin M400, M500, and Nautilus CC Plus. With a pack of four, I feel confident that I will have all the necessary replacements on hand whenever I need them, ensuring my pool stays crystal clear.
One of the standout features of these filters is their full compatibility with various robotic pool cleaners. I appreciate how they fit perfectly with models such as Dolphin M200, M400, M500, and others. Knowing that they are specifically designed for these models means I don’t have to worry about any compatibility issues. It’s also a relief that they are not compatible with older models, which helps prevent any confusion when making a purchase.
Another aspect that caught my attention is the design of the filters themselves. The dimensions are 10 1/2 x 6 3/8 inches, which means they fit like a glove in my robotic cleaner, providing the same level of performance as the OEM filters but at a lower cost. This is particularly appealing to me because I am always looking for ways to save money without sacrificing quality. The fact that I can easily change the filters in seconds is a huge plus, making maintenance a breeze.
The efficient filtration capabilities of the Fil-fresh filters are truly impressive. The ultra-fine sturdy filter paper does an excellent job of capturing sand, sediment, and leaves that often accumulate in my pool. Compared to regular fabric filters, these provide a greater reduction in debris, which means I can spend less time cleaning and more time enjoying my pool. It’s a win-win situation!
Moreover, the solid structure of these filters ensures durability. With thick pleated fabric and a strong plastic support frame, they hold their shape well even when pool water flows through them. This sturdiness gives me confidence that I won’t have to deal with deformed filters that can negatively impact my pool’s cleanliness. Additionally, these filters are easy to clean with a simple garden hose, allowing me to reuse them and extend their lifespan significantly. I’ve learned that rinsing them every 4-6 weeks is essential for maintaining optimal performance, and the ease of cleaning makes this task manageable.
In summary, the Fil-fresh Robotic Pool Cleaner Filters offer a fantastic combination of compatibility, efficiency, and durability. For anyone who owns a compatible pool cleaner, these filters represent an excellent investment in maintaining a clean and enjoyable swimming pool. Given the quality and affordability of these filters, I feel compelled to recommend them to fellow pool owners. By choosing these filters, you’re not just saving money; you’re ensuring your pool remains a welcoming oasis for family and friends. Don’t wait too long to make the switch—your pool will thank you for it!
Feature Description Full Compatibility Compatible with Dolphin M200, M400, M500, Nautilus CC Plus, and more. Fit Like a Glove Dimensions 10 1/2 x 6 3/8 inches; OEM equivalent performance at a lower cost. Efficient Filtration Ultra-fine filter paper captures sand, sediment, and leaves effectively. Solid Structure Thick pleated fabric with a strong plastic support frame for durability. Long Lasting Easy to clean; rinsing every 4-6 weeks extends filter life.
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2. SUNRRA Ultra Fine Filters Compatible with Dolphin Nautilus CC Plus (Not for Nautilus CC), Nautilus CC Supreme, M200/M400/M500, Part 9991432-R4, Pleated Pool Cleaner Replacement Part, 4 Packs

As a pool owner, I know how essential it is to maintain a clean and healthy swimming environment. That’s why I was excited to discover the SUNRRA Ultra Fine Filters compatible with various Dolphin Nautilus models, including the Nautilus CC Plus, Nautilus CC Supreme, and M200/M400/M500 series. These filters are designed to enhance the efficiency of my pool cleaning robot, and I’m here to share my in-depth analysis of their features and benefits.
First and foremost, the compatibility of these filters is impressive. They work seamlessly with multiple Dolphin Nautilus models, including not only the CC Plus but also the Supreme series and M-series robots. This means that if I own one of these models, I can confidently purchase the SUNRRA filters knowing they will fit perfectly. The exact size of 10-1/2”(L) x 6-3/8”(W) ensures that they will slot into my cleaner without any hassle.
One of the standout features of the SUNRRA filters is their pleated design. Unlike non-pleated filters, these ultra-fine cartridges are engineered to trap small particles more efficiently. In my experience, this means my pool stays crystal clear, free from debris that can dull its sparkle. Whether it’s dust, leaves, or even tiny algae particles, I can rely on these filters to keep my pool floor looking pristine. Maintaining a clean pool not only enhances the aesthetic appeal but also contributes to a healthier swimming environment, which is essential for my family’s enjoyment.
Durability is another key factor that caught my attention. The filters are made from heavy-duty ABS plastic, ensuring they are resistant to wear and tear. I appreciate that they can last for 2-3 years with proper maintenance. Knowing that I won’t have to replace them frequently saves me both time and money in the long run. This is particularly advantageous for anyone who uses their pool regularly and wants to minimize the upkeep costs.
Speaking of value, the pack includes four ultra-fine cartridge filter panels. This is a fantastic deal, as it significantly extends the duration between replacements. I find that rinsing the filters every 4-6 weeks keeps them performing at their best, which is a manageable task that fits easily into my routine. This value pack not only saves me money but also ensures that I always have a backup filter ready to go, making pool maintenance all the more convenient.
Lastly, the one-year warranty guarantee that comes with these filters offers me peace of mind. Should any issues arise, I know that I will receive excellent customer service. This commitment to quality and customer satisfaction reinforces my confidence in choosing SUNRRA products. It’s reassuring to know that the company stands behind its products, and this significantly influences my purchasing decision.
the SUNRRA Ultra Fine Filters compatible with Dolphin Nautilus models represent a smart investment for anyone looking to enhance their pool cleaning efficiency. With their perfect fit, superior filtration capabilities, durable construction, and excellent value, they have truly transformed my pool maintenance experience. If you’re a pool owner, I highly recommend considering these filters to keep your pool sparkling clean. After all, a clean pool is not just a luxury; it’s essential for the enjoyment and health of my family.
Feature Description Compatibility Fits various Dolphin Nautilus models including CC Plus, CC Supreme, M200, M400, M500 Filtration Pleated ultra fine design traps small particles effectively Durability Made from heavy-duty ABS plastic, lasts 2-3 years with proper care Value Pack Includes 4 filters, saving money on replacements Warranty 1-year quality guarantee with excellent customer service
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3. Future Way Ultra Fine Cartridge Filter Panels, Compatible with Dolphin M400/M500, Nautilus CC Plus Robotic Pool Cleaner, Part 9991432-R4 (4 Packs)

As a pool owner, I know that maintaining a clean and sparkling pool can sometimes feel like a daunting task, but finding the right accessories can make all the difference. That’s why I’m excited to share my thoughts on the Future Way Ultra Fine Cartridge Filter Panels. Specifically designed for compatibility with popular robotic pool cleaners like the Dolphin M400, M500, and Nautilus CC Plus, these filters not only promise a perfect fit but also offer exceptional filtration capabilities that can enhance my pool experience.
One of the standout features of these filter panels is their compatibility with a wide range of robotic pool cleaners. Whether I own a Dolphin M200, M400, or M500, or a Nautilus CC Plus, I can rest easy knowing that these filters will work seamlessly with my equipment. This is a huge plus, especially since I don’t want to waste time or money on parts that won’t fit my specific model. The dimensions of 10-1/2” x 6-3/8” per filter are identical to the original filters, ensuring that I won’t encounter any fitting issues when I make the switch.
What truly impresses me about these filter panels is their powerful filtration capability. The ultra-fine and heavy-duty paper construction, complemented by an increased number of pleats, maximizes filtration efficiency. This means that debris, dirt, and leaves are effectively removed from my pool, leaving it sparkling clean. I don’t have to worry about spending my weekends cleaning the pool; instead, I can dive right in and enjoy the water with family and friends.
Additionally, the premium quality of the materials used in these filters cannot be overlooked. The ABS plastic frame is designed to be sturdy and durable, which ensures that the filters maintain their shape and structural integrity over time. This durability translates into maximum hydraulic efficiency, meaning my pool cleaner will operate optimally, ultimately prolonging its lifespan. I feel confident that I am investing in a product that will serve me well in the long run.
Another fantastic feature is that these filters are washable and reusable. This is a game-changer for my wallet! I can easily clean the filters and use them again, which not only saves me money on replacements but also reduces waste. It feels good to make a more sustainable choice while also cutting down on my water bill. With these filters, I can focus more on enjoying my pool rather than worrying about constant maintenance costs.
the Future Way Ultra Fine Cartridge Filter Panels are an excellent investment for anyone who values a clean pool and a hassle-free maintenance experience. The combination of perfect compatibility, powerful filtration, premium quality, and cost-saving reusability makes these filters stand out in the market. If you’re looking for a reliable solution to keep your pool sparkling clean, I highly recommend giving these filter panels a try. You won’t be disappointed!
Feature Description Compatibility Fits Dolphin M200, M400, M500; Nautilus CC Plus, Oasis Z5i, Sigma, C3, C4, Triton Plus (old), Aquarius XL Dimensions 10-1/2” x 6-3/8” per filter Filtration Efficiency Ultra-fine heavy-duty paper with more pleats for maximum debris removal Material Quality Sturdy ABS plastic frame for durability and hydraulic efficiency Reusability Washable and reusable to save money and reduce waste
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4. Dolphin Genuine Replacement Part — Ultra-Fine Filter Panels (4PK) — 9991432-R4

As someone who values a clean and well-maintained pool, I can’t emphasize enough how important it is to have the right replacement parts for your pool cleaner. When I came across the Dolphin Genuine Replacement Part — Ultra-Fine Filter Panels (4PK) — 9991432-R4, I immediately recognized it as a must-have for any Dolphin pool cleaner owner. These ultra-fine filter panels are not just another set of replacements; they are an essential component that directly impacts the efficiency and effectiveness of your cleaner.
One of the standout features of this product is that it comes in a convenient 4-pack. This means I won’t have to worry about running out of filters anytime soon, which is a huge plus for someone who frequently uses their pool cleaner. Having multiple filters on hand allows me to replace them as needed without delay, ensuring that my pool remains pristine and inviting. It’s reassuring to know that I can maintain my cleaner’s performance without the hassle of last-minute shopping trips.
Compatibility is another critical factor to consider when replacing pool cleaner parts. The Dolphin Ultra-Fine Filter Panels are compatible with a wide range of models, including the Aquarius XL, Bio, C3, C4, M200, M400, M500, Nautilus CC Plus, Nautilus CC Supreme, Oasis Z5, Oasis Z5i, Sigma, Supreme M4, Supreme M5, Triton Plus, Wave 60, Wave 65, Wave 80, and Wave 90. This extensive compatibility means that whether I have an older model or one of the newer ones, I can trust that these filters will fit perfectly and function effectively. However, it’s essential to note that they are not compatible with the older Nautilus models or some Triton variations, so I would double-check my model before purchasing.
What really sets these filter panels apart is that they are Maytronics Certified Genuine Parts. This certification offers peace of mind, knowing that I am using a product specifically designed for my Dolphin cleaner. Authentic parts are crucial for maintaining the longevity and efficiency of my equipment. I can rest easy knowing that these ultra-fine filter panels will help my cleaner operate at peak performance, capturing even the smallest debris and keeping my pool water crystal clear.
In summary, the Dolphin Genuine Replacement Part — Ultra-Fine Filter Panels (4PK) — 9991432-R4 is an excellent investment for any Dolphin pool cleaner owner. With their high compatibility, genuine certification, and convenient multi-pack offering, these filter panels are designed to keep my pool cleaner running smoothly and effectively. If you’re serious about maintaining a clean and enjoyable swimming environment, I would highly recommend adding these ultra-fine filter panels to your cart. They may just be the upgrade you need to elevate your pool cleaning routine.
Feature Description Pack Size 4 Ultra-Fine Filter Panels Compatibility Compatible with a variety of Dolphin models including Aquarius XL, M200, M400, Nautilus CC Plus, and more Certification Maytronics Certified Genuine Parts Debris Capture Designed to capture fine debris for optimal pool cleanliness Usage Essential for maintaining the efficiency and longevity of your Dolphin pool cleaner
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Why the Dolphin Nautilus CC Plus Ultra Fine Filter Helps Me Keep My Pool Sparkling Clean
As someone who takes pride in maintaining a pristine pool, I’ve found that the Dolphin Nautilus CC Plus Ultra Fine Filter is a game-changer for my cleaning routine. This filter is designed to capture even the smallest particles, including fine dirt and debris that standard filters often miss. I’ve noticed a significant difference in the clarity of my pool water since I started using it, allowing me to enjoy a crystal-clear swimming experience.
Not only does this ultra-fine filter improve water clarity, but it also enhances the overall health of my pool. By effectively removing unwanted contaminants, I’m reducing the need for excessive chemicals, which is better for both my family and the environment. I appreciate knowing that I’m providing a safer swimming environment while also saving on chemical costs in the long run.
Additionally, the convenience of using the Dolphin Nautilus CC Plus cannot be overstated. With its advanced technology and programmable features, I can set it to clean my pool while I focus on other tasks. I no longer have to spend hours skimming or vacuuming, which gives me more time to relax and enjoy my outdoor oasis. This filter has truly transformed my pool maintenance experience
Buying Guide for Dolphin Nautilus CC Plus Ultra Fine Filter
When I first decided to invest in a pool cleaner, I quickly realized that choosing the right model could make a significant difference in my pool maintenance routine. After some research, I came across the Dolphin Nautilus CC Plus with its ultra-fine filter. This guide reflects my experience and insights to help you make an informed decision.
Understanding the Features
The Dolphin Nautilus CC Plus boasts several standout features that caught my attention. One of the primary aspects is its ultra-fine filter, which effectively captures even the tiniest debris. I found that having a cleaner that can handle fine particles is essential for maintaining crystal-clear water.
Cleaning Efficiency
In my experience, the cleaning efficiency of a pool cleaner is paramount. The Dolphin Nautilus CC Plus uses advanced navigation technology that allows it to cover the pool’s surface thoroughly. I appreciated how it systematically cleans, ensuring no corner is left untouched. Look for a model that offers similar efficiency for your needs.
Ease of Use
When I first used the Dolphin Nautilus CC Plus, I was impressed by how user-friendly it was. The setup was straightforward, and the cleaner operated independently without requiring constant supervision. I recommend considering ease of use, especially if you want to spend more time enjoying your pool rather than maintaining it.
Filter Maintenance
One of the aspects that I found crucial in my pool cleaning journey was filter maintenance. The ultra-fine filter in the Dolphin Nautilus CC Plus is easy to access and clean. I valued how quickly I could detach the filter, rinse it, and reattach it. Ensure that any model you consider has a similar maintenance process to keep your pool cleaner running smoothly.
Size and Pool Compatibility
Before purchasing, I measured my pool to ensure compatibility. The Dolphin Nautilus CC Plus is suitable for various pool sizes, but I recommend confirming the specifications to ensure it fits your pool dimensions. A cleaner that matches your pool size will enhance its performance and efficiency.
Energy Efficiency
Energy consumption was another critical factor for me. I learned that the Dolphin Nautilus CC Plus is designed to be energy-efficient, which is a major plus. Not only does this save on electricity bills, but it also contributes to a more sustainable lifestyle. Look for energy-efficient options to minimize your environmental impact.
Customer Support and Warranty
I found that researching customer support and warranty options is essential. The Dolphin Nautilus CC Plus typically comes with a warranty that provides peace of mind. Knowing that I could reach out for assistance if needed made my purchase feel more secure. Be sure to check the warranty details for any model you consider.
Ultimately, my experience with the Dolphin Nautilus CC Plus ultra-fine filter has been positive. It has simplified my pool maintenance and allowed me to enjoy my pool to the fullest. I hope this guide helps you navigate your buying decision, and I wish you the best in finding the perfect pool cleaner for your needs.
Author Profile

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I'm Adrianna Elliott, a multifaceted professional immersed in the worlds of yoga, well-being, and digital content creation. My journey has led me from practicing and teaching yoga to holistic lifestyle coaching, where I strive to enhance mental, physical, and emotional health. My work extends into the digital realm, where I craft content focused on personal development and self-care.
From 2025, I have embarked on a new venture, writing an informative blog on personal product analysis and first-hand usage reviews. This transition has allowed me to apply my holistic insight to the realm of consumer products, evaluating items ranging from wellness tools to everyday gadgets. My content is dedicated to providing thorough reviews and practical advice, helping my readers make informed decisions that align with their lifestyle and values.
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