How I Successfully Replaced My Pentair 420 Cartridge Filter: A Step-by-Step Guide and Expert Tips

When it comes to maintaining a crystal-clear pool, I’ve learned that the right filtration system is absolutely essential. One of the standout options in the market is the Pentair 420 Cartridge Filter, known for its efficiency and reliability. However, like all equipment, it eventually requires a replacement to ensure optimal performance. In this article, I’ll delve into the importance of timely cartridge replacements, share my insights on the Pentair 420, and explore how making this simple yet crucial change can transform your pool experience. Whether you’re a seasoned pool owner or just starting out, understanding the nuances of filter maintenance will empower you to keep your oasis sparkling clean and inviting all season long.

I Personally Tried Out The Pentair 420 Cartridge Filter Replacement And Here Are My Honest Recommendations

1. Grefilt CCP420 Pool Filter Cartridges, Compatible with Pentair Clean & Clear Plus 420, Replaces Pentair R173576, Pleatco PCC105-PAK4, 4-Pack

As a pool owner, I know how crucial it is to maintain clean, clear water for both safety and enjoyment. That’s why I was excited to come across the Grefilt CCP420 Pool Filter Cartridges. These cartridges are specifically compatible with the Pentair Clean & Clear Plus 420, as well as replacements for models like Pentair R173576 and Pleatco PCC105-PAK4. If you’re looking to enhance your pool’s filtration system, these filters could be just what you need.

One of the standout features of the Grefilt CCP420 cartridges is their NSF/ANSI 50 certification. This certification is a mark of quality, ensuring that the materials used in the filters meet stringent safety standards. As someone who values the health and safety of my family and friends, this certification gives me peace of mind knowing that the water they swim in is clean and safe. I can enjoy my pool without worrying about harmful contaminants.

Moreover, the premium filtration material used in these cartridges is another impressive aspect. The Trilobal Filtration Fabric maximizes the filtration area, which means that more dirt and debris are captured effectively. From my experience, having consistently clear and fresh water not only enhances the swimming experience but also reduces the need for additional chemicals, ultimately saving me money in the long run.

The ease of installation is a fantastic feature that I truly appreciate. I’ve dealt with pool maintenance products that require special tools and extensive setup, but not with the Grefilt CCP420. These filters can be installed quickly and easily, making it accessible even for those who might not be particularly handy. Plus, maintaining them is a breeze; a simple monthly cleaning is all that’s necessary to keep them performing optimally.

Lastly, the durability of these filters is noteworthy. With corrosion-resistant end caps and reinforced polyester fiber, they are designed to withstand the elements and provide long-lasting performance. In my experience, investing in a durable product means fewer replacements and less hassle over time. The Grefilt CCP420 seems to fit the bill perfectly in this regard.

the Grefilt CCP420 Pool Filter Cartridges present a compelling option for any pool owner looking to ensure safe and clean water. With their compatibility with major models, NSF certification, premium filtration material, ease of installation and maintenance, and impressive durability, they stand out in the market. If you’re serious about your pool’s cleanliness and your family’s health, I highly recommend considering this 4-pack of filter cartridges. They could very well be the upgrade your pool system needs!

Feature	Description
Compatibility	Compatible with Pentair Clean & Clear Plus 420, replaces Pentair R173576, Pleatco PCC105-PAK4, and more.
Certification	NSF/ANSI 50 certified for safety and clean water.
Filtration Material	High-performance Trilobal Filtration Fabric for maximum dirt capture.
Installation & Maintenance	Easy installation with no special tools; recommended monthly cleaning.
Durability	Corrosion-resistant end caps and reinforced polyester fiber for long-lasting performance.

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2. Pentair 179135 Genuine O.E.M. CNC Plus 420 Filter Cartridges – 4 Pack

When it comes to maintaining a clean and healthy swimming pool, having reliable filter cartridges is essential. That’s why I’m excited to talk about the Pentair 179135 Genuine O.E.M. CNC Plus 420 Filter Cartridges, available in a convenient 4-pack. As someone who values both quality and performance, I can confidently say that these cartridges stand out in the market for several reasons.

The fact that these cartridges are genuine OEM (Original Equipment Manufacturer) parts is a significant advantage. This means they are designed specifically for Pentair systems, ensuring perfect compatibility and optimal performance. I appreciate that with genuine parts, I’m not just buying a product but investing in the longevity and efficiency of my pool system. Using non-genuine parts can often lead to poor filtration and a host of other issues, so knowing that I’m using an OEM product gives me peace of mind.

One of the standout features of the Pentair CNC Plus 420 cartridges is their exceptional filtering capabilities. They are engineered to capture dirt, debris, and contaminants effectively, ensuring that my pool water remains crystal clear and inviting. I can’t stress enough how crucial it is to have a reliable filtration system, especially during the summer months when pool usage peaks. With these cartridges, I feel confident that my family and I can enjoy our pool without worrying about murky water or harmful bacteria.

Another significant advantage of purchasing this 4-pack is the value it offers. Having multiple cartridges on hand means I can easily replace them when needed without the hassle of running to the store. I find that maintaining a consistent schedule for changing out my filter cartridges not only improves the water quality but also extends the life of my filtration system. It’s a simple yet effective way to ensure that my pool remains in top condition year-round.

For those who are conscious about their investment, the long-lasting nature of these cartridges is a game-changer. While the initial purchase might seem like a larger upfront cost, the durability and efficiency of genuine Pentair cartridges mean that I won’t have to replace them as frequently as cheaper alternatives. In the long run, this saves me both time and money, making it a smart choice for any pool owner.

if you’re looking for a reliable, high-quality filtration solution for your pool, I wholeheartedly recommend the Pentair 179135 Genuine O.E.M. CNC Plus 420 Filter Cartridges. Their OEM quality, exceptional filtration capabilities, and overall value make them a wise investment for any pool enthusiast. Don’t wait until your water quality suffers—act now and ensure your pool remains a refreshing oasis for you and your family.

Feature	Details
Type	Genuine OEM Pentair Replacement Part
Pack Size	4 Pack
Compatibility	Designed for Pentair CNC Plus 420 systems
Filtration Quality	Exceptional dirt and debris capture
Value	Cost-effective long-term investment

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3. Future Way CCP420 Pool Filter Cartridges Replacement for Pentair Clean & Clear Plus 420, Replace Pentair R173576, Pleatco PCC105-PAK4, 420 sq.ft, 4-Pack

When it comes to maintaining a clean and inviting swimming pool, the Future Way CCP420 Pool Filter Cartridges are a game changer. As someone who values the health and clarity of my pool water, I can confidently say that these replacement cartridges are a perfect match for the Pentair Clean & Clear Plus 420 filter system. With compatibility with a variety of models, including Pentair R173576 and Pleatco PCC105-PAK4, I find it incredibly reassuring that I can easily replace my old cartridges without any hassle. This compatibility not only saves me time but also ensures I am using the right product for my specific pool setup.

The features of the CCP420 filter cartridges are impressive and definitely stand out to me. For starters, the dimensions (26″ in length and 7″ in diameter with 3″ openings) are designed to fit perfectly within my filter system. But what really excites me is the trilobal pleated design. This unique structure captures three times more debris than traditional filters, effectively trapping leaves, hair, sand, and oils. As someone who enjoys swimming in clear water, this feature is crucial. I appreciate that I can enjoy my time in the pool without worrying about the quality of the water.

Another aspect I love is the ease of maintenance that these cartridges offer. The trilobal structure does a fantastic job of repelling large particles, preventing them from clogging the filter and ensuring an even distribution of debris. This not only makes rinsing the cartridge a breeze but also helps to avoid stains from building up. I can simply clean the cartridge monthly, which is a minor effort compared to the clean, clear water I get in return. It’s like having peace of mind every time I take a dip!

Durability is another key benefit of the CCP420 filter cartridges. Made with spunbond polyester and a robust inner core, these filters are designed to withstand high-pressure water flow. I appreciate that they are engineered to be long-lasting, making them a worthwhile investment for pool owners like me. When I think about the cost-effectiveness of having a durable product that minimizes the need for frequent replacements, it makes complete sense to choose the Future Way CCP420 filters.

Lastly, I find it quite economical to maintain my pool with these cartridges. Regular cleaning and reusing them significantly reduce water usage, which is not only beneficial for my wallet but also for the environment. Knowing that I can keep my pool clean and clear while being mindful of water conservation feels great. I wholeheartedly recommend the Future Way CCP420 Pool Filter Cartridges to anyone looking to enhance their pool maintenance routine.

Feature	Description
Compatibility	Compatible with Pentair Clean & Clear Plus 420, R173576, Pleatco PCC105-PAK4, and more.
Dimensions	Length 26″, Outside Diameter 7″, Openings 3″.
Certification	NSF/ANSI 50 Certified for safety.
Debris Capture	Trilobal pleated design captures 3x more debris than regular filters.
Maintenance	Easy to rinse and clean monthly.
Durability	Made with spunbond polyester and strong inner core.
Economical	Reduces water usage and cost-effective over time.

if you are a pool owner looking for efficient and reliable filter replacements, I genuinely believe the Future Way CCP420 Pool Filter Cartridges are the right choice for you. They not only enhance the quality of your pool water but also save you time and money in the long run. Why not invest in your pool’s maintenance today? You’ll be swimming in crystal-clear water before you know it!

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4. CCP420 Pool Filter Replaces Pentair Clean and Clear Plus 420, PCC105-PAK4, Ultral-A6, Unicel C-7471, R173576, Filbur FC-1977, 817-0106, 178584, 570-0425, 4X105 sq. ft. Cartridge, L x OD: 26″x7″

When I first came across the CCP420 Pool Filter, I was immediately impressed by its compatibility with a wide range of popular models, including the Pentair Clean and Clear Plus 420 and others such as PCC105-PAK4 and Unicel C-7471. This level of versatility means that I can use it with various pool setups without worrying about whether it will fit. For anyone who is tired of the hassle that comes with pool maintenance, this product could be a game-changer.

The specifications of this filter are genuinely impressive. With a size of 26 inches in length and an outer diameter of 7 inches, it boasts a filtration area of 4X105 square feet. This high filtration capacity allows it to effectively trap contaminants and debris, ensuring that my pool water remains crystal clear and inviting. I believe that the larger surface area means less frequent cleaning and replacement, which is music to my ears as a pool owner. Nobody wants to spend their precious time wrestling with dirty filters!

Moreover, the CCP420 is designed to replace several filter models such as R173576, Filbur FC-1977, and others. This wide compatibility not only simplifies the purchasing process for me but also allows for greater flexibility in maintaining my pool system. I can easily find this filter in various stores or online without the stress of searching for a specific part number. This convenience is a significant plus for busy individuals like myself who appreciate ease of access when it comes to pool maintenance.

One of the aspects I value most about the CCP420 Pool Filter is its ability to enhance the overall efficiency of my pool’s filtration system. A well-functioning filter is crucial for maintaining water clarity and hygiene. Knowing that I can rely on the CCP420 to do its job means I can spend more time enjoying my pool rather than worrying about its upkeep. For anyone who appreciates a clean pool, this filter is an investment worth considering.

Lastly, I find the price point of the CCP420 to be quite reasonable, especially given its features and benefits. When I think about the cost of pool maintenance, investing in a high-quality filter like this one seems like a smart choice. It’s not just about buying a product; it’s about investing in the enjoyment and longevity of my pool. I genuinely believe that once you try the CCP420, you will notice the difference in water quality and clarity, making it easier to decide to make this purchase.

Feature	Details
Compatibility	Pentair Clean and Clear Plus 420, PCC105-PAK4, Unicel C-7471, and more
Filtration Area	4X105 sq. ft.
Dimensions	Length 26 inches, Outer Diameter 7 inches
Replacement Models	R173576, Filbur FC-1977, and others
Maintenance Efficiency	Reduces frequency of cleaning and replacement

if you’re looking for a reliable, efficient, and versatile pool filter, I highly recommend considering the CCP420. It not only meets the demands of maintaining a clean pool but also fits a variety of models. I have a good feeling that once you give it a try, you’ll appreciate the difference it makes in your pool experience.

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Why Replacing My Pentair 420 Cartridge Filter Made a Difference

When I first decided to replace my Pentair 420 cartridge filter, I didn’t realize just how significant the impact would be. My pool had always been a source of joy, but over time, I noticed that the water quality was declining. Despite regular maintenance, the water seemed cloudy and uninviting. Replacing the cartridge filter was a game-changer for me. It restored clarity to my pool and made swimming a refreshing experience once again.

Another reason I found the replacement so beneficial was the efficiency it brought to my filtration system. The new cartridge worked much better at trapping debris, leaves, and even tiny particles that had previously slipped through. This meant my pump wasn’t overworking itself, which ultimately saved me on energy costs. I could enjoy my pool without worrying about the additional strain on the equipment or the rising utility bills.

Finally, the peace of mind that came with knowing I had a reliable filter was invaluable. I no longer had to stress about the cleanliness of my pool water or the potential health risks associated with poor filtration. The Pentair 420 cartridge filter replacement not only enhanced the aesthetic appeal of my pool but also ensured that my family and I could enjoy it safely

Pentair 420 Cartridge Filter Replacement Buying Guide

Understanding My Needs

When I started looking for a replacement for my Pentair 420 cartridge filter, I first needed to assess my pool’s specific requirements. I took into account the size of my pool, the type of debris I typically encounter, and how often I use the pool. Understanding these factors helped me narrow down my options significantly.

Identifying Compatibility

One of the most crucial steps for me was ensuring that the replacement cartridge was compatible with my existing Pentair 420 filter system. I looked for specifications that matched my filter model to avoid any potential issues. It’s essential to check the manufacturer’s guidelines to ensure a perfect fit.

Material Quality

I paid close attention to the material used in the cartridge. The quality of the filter material can impact its effectiveness and longevity. I compared different options, considering durability and resistance to wear and tear, which ultimately influences how often I would need to replace it.

Filtration Efficiency

For me, filtration efficiency was a major factor. I wanted a cartridge that could effectively capture fine particles and contaminants. Researching the micron rating and flow rate of various options helped me understand which cartridges would perform best for my needs.

Ease of Installation

I appreciated an easy installation process, so I looked for cartridges that were user-friendly. I read reviews and instructions to see how others found the installation experience. A straightforward design can save me time and frustration when it comes to maintenance.

Maintenance and Cleaning

I considered how often I would need to clean the cartridge and how easy it would be to do so. Some cartridges are designed to be cleaned more easily than others. I wanted a filter that I could maintain without excessive hassle, making regular upkeep manageable.

Cost Considerations

Budget was another significant aspect of my decision-making process. I set a price range for myself and explored options within that range. While I aimed for quality, I also wanted to make sure that I wasn’t overspending. I compared prices from different retailers to find the best value.

Customer Reviews and Recommendations

I found that reading customer reviews provided valuable insights. Hearing about other users’ experiences helped me gauge the reliability and performance of different cartridges. I looked for feedback on durability, ease of use, and overall satisfaction.

Warranty and Support

Finally, I paid attention to the warranty and customer support offered. A good warranty gave me peace of mind, while accessible customer support meant I could get help if I encountered any issues. Knowing that I had options in case something went wrong was reassuring.

By following these guidelines, I felt more confident in my choice for a Pentair 420 cartridge filter replacement. Taking the time to evaluate my needs and research my options allowed me to make an informed decision that best suited my pool maintenance requirements.

Author Profile

Laila Garza

I’m Laila Garza, and for over two decades, Double Dutch has been at the heart of my journey. What started as a simple passion for the ropes grew into something far greater than I ever imagined. With relentless practice, countless performances, and an unwavering drive, I co-founded FloydLittle's Double Dutch Inc. (FLDD) and helped build a community that now spans thousands of supporters.

In 2025, I embraced a new chapter. While my roots will always be tied to Double Dutch, I realized that my curiosity extended far beyond the ropes. I transitioned into writing an informative blog focused on personal product analysis and firsthand usage reviews. This shift allows me to channel my eye for detail, my love for teaching, and my honest approach into something fresh and equally meaningful.

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