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Replacement Faucet Water Filters Comparison - October 2025
| 1 Best Choice  9.8Exceptional | 2 Best Value  9.5Excellent | 3  9.3Excellent | 4  9.2Excellent | 5  9.1Excellent |
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ModelPUR PLUS Mineral Core Faucet Mount Water Filter Replacement (6 Pack) – Compatible With All PUR Faucet Filtration Systems | Model Waterdrop NSF 42 Certified Water Filter, Replacement for All PUR®, PUR®PLUS Faucet Filtration Systems, Pur® RF-9999® Faucet Water Filter, 18-Month Value(6 Count) | Model 2 Pack Faucet Filter Replacement for All PUR®PLUS, PUR® Water Filter Replacement, Pur® Filter Replacement RF-9999®, NSF 42 Certified, 600-Gallon Long Lifespan, AQUA CREST | Model PUR PLUS Faucet Mount Replacement Filter 2-Pack, Genuine PUR Filter, 3-in-1 Powerful, Natural Mineral Filtration, Lead Removal, 6-Month Value, Blue (RF99992) | Model Fil-Fresh 2-Pack Water Filter Replacement for PUR, Pur® RF-9999® PLUS Faucet Water Filtration System, NSF Certified, Replace Mineral Core Faucet Mount Water Filter |
BrandPUR | Brand Waterdrop | Brand AQUA CREST | Brand PUR | Brand Fil-fresh |
Reviews | Reviews  | Reviews | Reviews | Reviews |
Features | ||||
Worth the money 8.6 | Worth the money 8.9 | Worth the money 8.6 | Worth the money 8.4 | Worth the money 8.1 |
Easy installation 9.6 | Easy installation 9.6 | Easy installation 9.6 | Easy installation 9.4 | Easy installation 9.4 |
Flavor 9.1 | Flavor 8.6 | Flavor 8.6 | Flavor 8.9 | Flavor 7.7 |
Simple to use 9.1 | Simple to use 9.9 | Simple to use 9.9 | Simple to use 9.1 | Simple to use 8.6 |
Tech Specs | ||||
product dimensions11.5 x 3.75 x 9 inches | product dimensions 5.12D x 7.68W x 4.92H | product dimensions 2.56 x 5.12 x 4.72 inches | product dimensions 5.8D x 5.6W x 4.2H | product dimensions 2.2D x 2.2W x 5H |
item weight2.31 pounds | item weight 9.5 ounces | item weight 9.5 ounces | item weight 9.6 ounces | item weight 9.6 ounces |
customer reviews4.7 out of 5 stars 13, 232 4.7 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 6, 709 ratings 4.5 out of 5 stars | customer reviews 4.4 4.4 out of 5 stars 20, 544 ratings 4.4 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 8, 848 ratings 4.7 out of 5 stars | customer reviews 4.3 4.3 out of 5 stars 3, 595 ratings 4.3 out of 5 stars |
material- | material Lead-Free & Food-Grade Material, Activated Carbon Block | material Activated Carbon, Coconut | material Plastic | material Activated Carbon |
external testing certification- | external testing certification ANSI, NSF | external testing certification - | external testing certification NSF, WQA | external testing certification NSF |
product benefits- | product benefits Reduces Chlorine | product benefits - | product benefits Manual | product benefits Reduces 99 impurities |
Review | Review - | Review - | Review | Review - |
Available On | Available On | Available On | Available On | Available On  |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1PURPUR PLUS Mineral Core Faucet Mount Water Filter Replacement (6 Pack) – Compatible With All PUR Faucet Filtration Systems
9.6 Easy installation9.1 Flavor9.1 Simple to useWhy we love it
Great Taste: Filters out minerals for better taste.
Easy Installation: Twist cover off and insert filter.
Certified: Reduces 70 contaminants and 10X more than competitors.
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9.5
2Waterdrop23% Off
Waterdrop NSF 42 Certified Water Filter, Replacement for All PUR®, PUR®PLUS Faucet Filtration Systems, Pur® RF-9999® Faucet Water Filter, 18-Month Value(6 Count)
9.9 Simple to use9.6 Easy installation8.9 worth the moneyMain highlights- Ultimate purity: The filter uses revolutionized technology for water filtration, reducing impurities and giving you fresh water. Please note that the filter cannot reduce TDS. For use with PUR Advanced Faucet Mounts and PUR Advanced Plus Faucet Mounts.
- Smooth water flow: Keep sediment and other impurities out of your water to maintain smooth water flow.
- Please note this is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. Waterdrop is an independent brand.
- NSF certifications: Tested and certified by NSF International against NSF/ANSI standard 42 for the reduction of chlorine, taste and odor, and to NSF/ANSI 372 for lead-free material.
- Great water: Reduces harmful substances to make sure your every sip clean and refreshing. You’ll enjoy 3 months of crisp tasting water directly from your faucet. Please refer to the instructions for details.
- Compatibility: Interchangeable with PUR RF-9999 water filter; Fits for PFM100B, PFM450S, FM-3333, FM-9400B, FM-3700B, FM-3700, FM-2000B, FM-9000B, FM-4000B, FM-4100B, FM-2500V, FM-3400B, PFM350V, Pur-0A1, FM-9600, PFM150W, PFM400H, PFM-270G, PFM800HX, FM-9600 and more models. The above claims have not been tested and certified by NSF. The manufacturer’s name and part number have been used for reference purposes only.
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9.3
3AQUA CREST10% Off
2 Pack Faucet Filter Replacement for All PUR®PLUS, PUR® Water Filter Replacement, Pur® Filter Replacement RF-9999®, NSF 42 Certified, 600-Gallon Long Lifespan, AQUA CREST
9.9 Simple to use9.6 Easy installation8.6 worth the moneyMain highlights- 【Stronger water flow】AQUACREST faucet filter meets the requirements of both high efficiency and rapid filtration without waiting for premium filtered water.
- 【NSF certifications】Tested and certified by NSF International against NSF/ANSI standard 42 for the reduction of chlorine, taste and odor, and to NSF/ANSI 372 for lead-free material. For detailed NSF certification information: Visit the NSF official website, type " AQU-CF08A" into "Brand name/ Trade name/ Model" bar and click the "Search" button.
- 【Long-lasting service life】This filter has a long-lasting service life. Please replace the filter every 3months to enjoy healthy drinking water, and please note that the specific replacement time may vary based on water quality.
- 【High-efficiency filtration】AQUACREST faucet water filter uses premium natural coconut activated carbon block with a reduction rate of chlorine up to 97.2%. By its outstanding filtration performance, the filter can effectively reduce sediments, large particles, rust, taste and odor, which are tested by a third lab, to improve the drinking experience. Please note that the filter cannot reduce TDS.
- 【High quality&standard】 Our filter is designed to be perfectly fit and compatible with an original filter without sacrificing the quality and standard.
- 【Compatibility】The AQUACREST faucet filter can be adaptive to PUR PLUS faucet water filter，interchangeable with PUR RF-9999 faucet water filter, for use with PUR Classic, Advanced and Horizontal Faucet Mounts, including PFM100B, PFM450S, FM-3333, FM-9400B, FM-3700B, FM-3700, FM-2000B, FM-9000B, FM-4000B, FM-4100B, FM-2500V, FM-3400B, PFM350V, Pur-0A1, FM-9600, PFM150W, PFM400H, PFM-270G, PFM800HX, FM-9600 and more models. This filter is not sourced by or sponsored by PUR.
- Note: Please soak the filter in clean tap water for 3 minutes to flush the filter and release the bubbles before using.
Our ranking system
At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
