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Item #:
10361741
Brondell RF-40 Membrane Water Filter Replacement for Circle Under Sink Reverse Osmosis Filtration System, Lasts 24 Months
87% of respondents would recommend this to a friend
Item #:
10361741
TMT 414
Price Details
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500+ bought
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Order now and get it around Tuesday, November 10
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What Stands Out
Long-Lasting Filter
Designed to last up to 6 months, this membrane filter minimizes replacement frequency and enhances convenience for users, ensuring clean water while saving time and effort.
Compatibility Assurance
Specifically engineered for the Circle Under Sink RO system, this filter guarantees optimal performance and seamless integration, making it an ideal choice for existing owners.
Advanced Filtration
Utilizes cutting-edge membrane technology to effectively remove contaminants, delivering pure and safe drinking water, thereby ensuring the highest quality water for you and your family.
Product Details
| Model Number | RF-40 |
| Product Benefits | Removes Pollutants |
| Brand Name | Brondell |
| Manufacture Year | 2021 |
| UPC | 819911013616 |
| Unit Count | 1 Count |
| Number of Items | 1 |
| Item Type Name | Water Filter Replacement for Circle Under Sink Reverse Osmosis Filtration System, Lasts 6 Months |
| Manufacturer | Brondell |
| Manufacturer Part Number | RF-40 |
| Material Type | Plastic |
| Compatible Water Purifier Models | Brondell Circle RC |
| Item Dimensions D x W x H | 2.75"D x 2.75"W x 11.25"H (7 x 7 x 28.6 cm) |
| Item Weight | 1.2 pounds (540 grams) |
| External Testing Certification | WQA |
| Material | Plastic |
| Product Dimensions (L x W x H) | 2.75"D x 2.75"W x 11.25"H (7 x 7 x 28.6 cm) |
Who Should Buy?
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Health-Conscious Consumers
Ideal for those prioritizing clean drinking water and needing effective filtration systems in their homes.
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Long-Term Users
Best suited for users who own the Brondell Circle system, ensuring optimal performance with regular filter replacements.
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Families with Pets
Great for households with pets, providing pure water free from contaminants that could affect health.
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Occasional Users
Not suitable for users who infrequently drink filtered water and may not need regular replacement.
Product Description
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Customer Questions & Answers
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Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
Brondell Replacement Under-Sink Water Filters RF-40 Editorial Review
The Brondell Circle Reverse Osmosis (RC100) filter is a small-sized under the sink filter that uses four different filters; the RF-20, which is sediment, pre-carbon, and post-carbon filters, and the RF-40, which is the RO membrane. According to the WQA, it is certified for NSF/ANSI 42, 53, and 58. Though the filter may not remove PFAS from water, it is effective in reducing them. As per reviews, some customers have faced issues where filters were filled with water upon delivery or were used and damaged. The RC100 has received mixed reviews, with some customers highly recommending it while others complain of bitter tasting water and poor customer service.
Customer Reviews & Ratings
795 customers ratings
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5 Star
80%
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4 Star
8%
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3 Star
5%
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2 Star
2%
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1 Star
5%
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Pros
- Small size
- Uses four different filters
- Effective in reducing PFAS
- Good for replacing old filters
Cons
- Expensive
Platform Trust & Buyer Confidence
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Diana
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“I have, in fact, had bad experiences on several occasions with service providers or shipping companies from America—definitely—but this is the first and only reputable and reliable company I have encountered so far; huge praise for their work. ”
23 October 2026 · via Trustpilot
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“Fast shipping and A+ product. ”
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“Great service from start to finish. ”
26 October 2026 · via Trustpilot
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TMT 414
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