


💧 Twist, Sip, Repeat — Effortless purity for your modern kitchen
The Culligan RC 1 EZ-Change Replacement Cartridge delivers up to 3,000 gallons of clean, great-tasting water by reducing chlorine, particulates, and odors. Designed for easy twist-on/off installation under the sink or in your refrigerator, it’s NSF certified and backed by a 5-year warranty, making it the smart, low-maintenance choice for health-conscious professionals.











| ASIN | B000THCYT4 |
| Best Sellers Rank | #3,687 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #37 in Replacement Under-Sink Water Filters |
| Brand Name | Culligan |
| Capacity | 3000 Gallons |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,001) |
| EU Spare Part Availability Duration | 1 Years |
| Global Trade Identification Number | 00033663006508 |
| Included Components | 1 Filter |
| Installation Type | Under Sink |
| Item Type Name | Culligan RC-EZ-1 EZ-Change Basic Water Filtration Replacement Cartridge, 3,000 Gallons |
| Item Weight | 1 Pounds |
| Manufacturer | CULLIGAN |
| Material Type | Multi |
| Maximum Flow Rate | 0.5 Gallons Per Minute |
| Model Name | EZ-Change |
| Model Number | RC-EZ-1 |
| Other Special Features of the Product | tool |
| Power Source | Manual |
| Purification Method | Reverse Osmosis |
| Supported Water TDS Level Maximum (PPM) | 500 |
| UPC | 885572570638 885453135611 885312988532 885590387478 885498282677 808112763178 809390005790 807032975111 885865966469 163120786367 033663006508 643749297111 078433255403 806294986934 182682383838 132017517254 885920925127 716080031802 885824123933 885183510559 885385463936 885786870906 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 100 Degrees Fahrenheit |
| Warranty Description | Warranty |
T**R
Excellent Water Filter!
I have been using the Culligan under counter water filter for the past 3 + years and I have been very impressed with the taste of our water. I cannot vouch for microscopic cleanliness of the water, but if taste equals clean then it is great! I have not had any issues with the system or filters leaking. The only possible negative I could have is the installation. It has to line up correctly before you can twist it in. No biggie, it is just a matter of getting into the cabinet so I can line it up correctly. Just make sure you turn off the water going to the valve first! Yes it is possible to make a mess with it. My husband appreciated that I was wearing a white t-shirt when I got sprayed down while replacing the filter. If you are on the fence on an under the counter water filter for your kitchen, I would go with this one again. The ease of replacing filters and the cost of replacements makes this a must buy. Amazon even offers subscription service for ordering. I got mine on every 6 months, that should be about right.
L**Y
Under Cabinet Filter
Filter works well at filtering water, and lasts about 5-6 months. No leaks!
B**R
The exact brand and shipped right to my door.
A good Value and name brand replacement filter.
S**V
AS GOOD AS IT GETS
This filter is made with simplicity in mind. To install all you have to do is twist left about a half to three quarters of a turn and it release the old filter and all you have to do is place the new filter in position and reverse the prior step. It's as simple as that! Even tho the filter is rated for 3000 gallons the company recommends that you replace it once a year. With it functioning as a ice maker filter for me it is still good when I replace once a year. Because it only takes a few ounces of water for each set of ice cubes made. When I've tested the melted ice cubes with a TDS meter(which measures the parts per million of solids) the meter gave a reading 175 which for me is a good reading considering the ease of installation and quality of the after filtered taste and at a descent price.
A**E
Simple and easy to change basic filter
I have this filter mounted behind my refrigerator, it takes care of the initial filtering leaving the inside-fridge filter free to handle the rest.
M**R
Proprietary systems be damned!
If you found this product (like I did) searching for a DuPont water filter that looks exactly the same minus the brand. It will not work in your system without the help of a Dremel. While the filters and mounts are nearly the same, water goes in, water goes out. They are not interchangeable. There is a lug on the top of the filter and in the permanently mounted housing that prevents you from using different brands. All the parts that seal and lock the filter into place are the same. All you have to do is protect the inlet and outlet from debris and cut the lug off of the top with a Dremel. There’s also an extra, very small, tab on the side that I cut off also that was in the way. Only the inlet and outlet (with O ring seals) and the threaded portion on the top of the canister are important. *disclaimer* Don’t blame me if you mess this up and flood your house. I put this in mine and there are no leaks and works as expected.
1**0
Can also fit on the BRTA system w slight mods
Can fit on the BRta system but you're going to have to cut off the plastic rectangle on top with scissors or knife carefully. Make it flat and the peg on the side has to come off also. Much better quality than the cheap aquifrcrat system. Bit more expensive but way better for the money.
S**L
Great Filter!
Going on my second filter and have another spare ready to go. I live in a 70 year old house with most of the original plumbing, at times cloudy, dirty water comes out of the faucets. This filter removes all discoloration and Chlorine tastes, I know it removes many other forms of bacteria and other contaminates but I don't test for it but other reviewers have. I use the filter daily to refill gallon water jugs, water bottles as well as rinsing my dishes after washing, filter last well over a year. I change the filter when the water flow slows to about half or more of the flow when new. Seeing is believing, the normally clear tubing running into the filter is now a brownish yellow color, the same tubing carrying water out of the filer still looks brand new.
G**M
Il prodotto corrisponde alla descrizione. Arrivato entro i tempi previsti. Ottimo acquisto
R**O
El cartucho Culligan RC-EZ-1 EZ es muy cómodo y rápido para remplazar, a de mas su instalación inicial es muy sencilla.
P**N
I bought the system through Amazon and easily installed myself. This filter came with it and I have run off approximately 2 liters per day, over the last 6 months or so, for drinking & cooking. I plan to change out the filter in June if the taste starts to degrade. I figure that one can run off 8 gallons per day for a year before change is needed if your tap water is already great quality. Strongly recommend.
C**N
Bon service
M**V
Was easy to install and works great so far. I hooked it up to my current cold faucet and needed to get another 1/4" to 3/8"adaptor. Water is clear and tasteless as it should be. I am happy with the product.
Trustpilot
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