★★★★★
Great product!
Andrei Caminschi—November 25, 2025✓ Verified purchase
Very easy instructions, no leakage, good quality! Very easy to install. What I like it delivers the small battery for my faucet! Read more
Brondell RF-20 Water Filter Replacement for Circle Sediment and Carbon Block Under Sink Reverse Osmosis Filtration System Lasts
$79.99
About this item
- REPLACEMENT WATER FILTER: This sediment and carbon block filter replacement is specifically for the Brondell Circle Under Sink Water Filter (sold separately); It is designed for easy installation, providing great-tasting water for up to 6 Months
- AN EXTRA BOOST FROM CARBON: The carbon-based block filtration reduces cloudiness and helps trap unwanted components; Reverse osmosis membrane technology combines with 3-stage carbon filtration to filter water that’s not just safer, but tastier, too
- CLEAR BENEFITS: The sediment filter reduces rust, sand, and particulates; A carbon block pre-filter reduces VOCs, chlorine, and soluble contaminants; The carbon post-filter further reduces VOCs & lingering contaminants, along with chlorine taste & smell
- SIMPLE DIY INSTALLATION: The replacement filter can be installed in just a few minutes with a quick and easy twist and seal installation; The change indicator lets you know when a new filter is needed; Includes filter indicator replacement battery
- We design hygiene products that help protect our planet’s essential resources. From water-saving showers and air purifiers to bidets that help reduce toilet paper and energy use, we’re helping you live more sustainably and it feels better already.
$79.99
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Delivery — Friday 10 Apr – 16 Apr
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Product details
| Material | Carbon |
|---|---|
| Product Dimensions | 2.75"D x 8.25"W x 11.25"H |
| Item Weight | 2.6 Pounds |
| External Testing Certification | WQA |
| Product Benefits | Removes Pollutants |
Technical specifications
| material | Carbon |
|---|---|
| product_dimensions | 2.75"D x 8.25"W x 11.25"H |
| item_weight | 2.6 pounds |
| external_testing_certification | WQA |
| product_benefits | Removes Pollutants |
| brand | Brondell |
| eu_spare_part_availability_duration | 6 Months |
| set_name | Brondell RF-20 3-Pack Water Filter Set |
| upc | 819911013609 |
| global_trade_identification_number | 00819911013609 |
| unit_count | 1.00 Count |
| compatible_water_purifier_models | Brondell Circle RC |
| number_of_items | 1 |
| manufacturer | Brondell |
| item_model_number | RF-20 |
| best_sellers_rank | #3,657 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #29 in Replacement Under-Sink Water Filters |
| is_discontinued_by_manufacturer | No |
| date_first_available | July 29, 2015 |
From the brand
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Customer reviews
4.51,745 ratings
Customers say
Customers find the water filter easy to install and appreciate its great water quality and excellent taste. Customers report issues with water flow, noting it goes slowly and slows to a trickle.
★★★★★
Packaged well so no damage
PC—May 2, 2025✓ Verified purchase
The order was fulfilled quickly and shipping was expedited. The container was packed properly with no damage. The canisters are easy to install and are working very well. It was time for them to be changed & the water is has a purer and better taste. Thank you! Read more
★★★★★
Save money, verify need to change filters
madkiwi—September 6, 2023✓ Verified purchase
Purchased and installed a Brondell Circle RO system in August 2022. We're still using the original cartridges, I purchased a replacement set just in case and they are still sealed in the box. Changing them every 6 months is (probably) a waste of money. First, buy yourself a TDS meter (not a referral link, plenty of others on Amazon but this is the one I got- https://www.amazon.com/gp/product/B07QLZ6DT5 ) and test your water from the faucet versus out of the reverse osmosis filter. Our water is normally around 60 ppm, from the Brondell it is about 6-7 ppm. After a year it is still 6-7 ppm TDS. At exactly 6 months and again at 12 months the "change filter" light on the faucet started blinking. I don't think it is based on water usage, it is on a timer. All I do is remove the battery, wait 30 seconds and reinstall. Your mileage may vary, obviously our faucet water is naturally pretty low on contaminants (only reason we got the RO is that 2 of those contaminants are arsenic and manganese so it's nice to reduce those to safer levels) so if your tap water has more stuff in it your filters may get clogged up faster. But if you have a TDS meter showing you the filter is doing its job AND your water flow is not slowing down changing the cartridges is unnecessary. Hope that helps someone concerned about the high cost of these oem filters. Read more
★★★★★
Love my Brondell
serenity4u2—October 13, 2025✓ Verified purchase
I love my Brondell reverse osmosis and they need the filters changed twice a year. The quality is outstanding and they take the nasty chemical taste away from my water. I wish they would lasted longer but that’s the way it works. Instructions are clear and the filters for like a glove. I also like that it comes with a replacement battery. Read more
★★★★☆
Expensive
Libby baby—June 7, 2024✓ Verified purchase
We purchased the machine from Costco then found out that this filter is a bit expensive. It’s easy to install and last over a year. We might switch to cheaper machine after a few years but at this moment this filter system works. Read more
★★★★★
Very clean water- save money, increase health, and reduce landfill plastic waste
PBrown—November 30, 2025✓ Verified purchase
This works great with our RO unit. Worth every penny. Much better than buying plastic water bottles which leach BPA into the water… Read more
★★★★★
highly recommend
sambageo—November 10, 2025✓ Verified purchase
This is a good filtration system filters. I tested the water 3month ofter filter was due to change. The result came back excellent water quality Read more
★★★★★
good
xing—January 30, 2026✓ Verified purchase
good Read more
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