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SUPERIOR CHLORINE REDUCTION – Powerful ThermalGuard Filtration Technology
Dry Hair? Itchy Skin?
WaterChef RCSF-7 Shower Filter Cartridges utilize our advanced ThermalGuard catalytic carbon technology to substantially reduce your exposure to chlorine, leaving your body's natural oils and proteins intact. This results in immediate cosmetic benefits including softer and more manageable hair, smoother skin, and reduced eye irritation.
Filter More, Spend Less
Our advanced ThermalGuard catalytic carbon has been specially formulated to work well over a wide variety of temperature ranges, including hot water. ThermalGuard filtration technology provides exceptional chlorine reduction while keeping the cost per gallon low. While NSF/ANSI Standard 177 only requires 50% chlorine reduction for certification, WaterChef shower filters are certified by IAPMO R&T to remove 96.6% with a 10,000 gallon capacity. Source: IAPMO
And, at just pennies per shower, WaterChef shower filter cartridges won't break the bank. Filter out more for less with WaterChef.
TRUSTED QUALITY & PERFORMANCE – Tested & Certified by IAPMO for NSF/ANSI Standard 177
IAPMO Platinum Certification
In an industry riddled with unvalidated performance claims, rest easy knowing that WaterChef SF-7C Shower Filter Systems and Replacement Filter Cartridges are independently tested and certified by IAPMO R&T for NSF/ANSI Standard 177 for the reduction of 96.6% of Chlorine for up to 10,000 gallons. That's nearly double the NSF/ANSI requirement of 50% reduction. Requiring the strictest of compliance standards, trust is what independent NSF/ANSI certification by IAPMO is all about. (Standard 177 is the only NSF/ANSI Standard that exists for shower filter contaminant reduction.)
Certification: IAPMO certification was renewed in 2023. Source: IAPMO
Each WaterChef Shower Filter Cartridge Achieves a Remarkable 96.6% Chlorine Reduction—Nearly Double the NSF/ANSI Standard 177 Benchmark
Enjoy superior water purity with nearly double the chlorine reduction required by industry standards.
PREMIUM FEATURES - DISCOVER THE WATERCHEF DIFFERENCE
Certified for up to 10,000 Gallons or 6 Months per Cartridge
- Low Cost per Shower
- Superior Performance - IAPMO Platinum Certified - NSF/ANSI Standard 177 - 96.6% Chlorine Reduction!
- Certification Source: IAPMO, 2023
Quick and Easy Filter Cartridge Changes
- No Tools Required
- Unscrew the WaterChef Shower System Base Cap and Replace Your Filter Cartridge
- BPA-Free and Lead-Free
Compatible with WaterChef SF-7C Premium Shower Filter Systems
- Genuine WaterChef Replacement Filter Cartridge for WaterChef SF-7C Shower Filter Systems
- ThermalGuard Catalytic Carbon Filtration
- Manufactured in the USA
Cartridges Available in Single and 2-Pack Options
- For You Convenience, RCSF-7 Shower Filter Cartridges are Available in Single and 2-Pack Options
- One Cartridge = 10,000 Gallons or up to 6 Months
- Two Cartridges = 20,000 Gallons or up to 1 Year
Manuel Martinez
Reviewed in the United States on March 2, 2025
Son muy bueno 👍🏼👍🏼👍🏼
Nat D
Reviewed in the United States on March 11, 2025
Great filter. You can feel a difference in the water. My hair and skin are healthier since I started using it. Only thing id say is that depending on your water you may have to change it every 3 months instead of every 6 months which can get pricey but its worth it. I would recommend.
Edgar pozo
Reviewed in the United States on February 4, 2025
Trabaja muy bien
Suleeporn
Reviewed in the United States on April 21, 2025
My house is in the country and the water is so hard. This WaterChef filter cartridge helps my shower is so clean.Would recommend it.
Elizabeth Gonzalez
Reviewed in the United States on September 9, 2024
I bought this shower and the filters because the water is very hard in California. My hair used to look and be dry, same with my skin. Since I bought his filters, I haven't have any problem. The shower is beautiful white.
Albert
Reviewed in the United States on November 5, 2024
I jist replaced filter on my shower and is great like new totally a great value product
Eve
Reviewed in the United States on August 24, 2023
I took a chance and purchase the pack of 2 and I have zero regrets. These are a perfect match for those who have the Royal Prestige FrescaPure shower filter. Will purchase again in the future.
Patricia
Reviewed in Canada on February 21, 2020
Smell of chlorine completely gone when using this filter. Much easier on my irritated scalp and sensitive skin.
Shawna W.
Reviewed in the United States on August 5, 2016
This has made a huge difference in the texture of my skin and hair. I paired this with another type of filter and have a total of two filters on my shower. My hair is blonde and absorbs many colors of the minerals in our water. Since I've started using this product my color lasts longer my hair isn't as dry and brittle my skin doesn't look chalky from the mineral deposits, my shampoo goes further, I don't need as much conditioner, and the shower is easier to clean. Installation was a breeze, it took about 20 mins total, I'm a 42 year old single female with limited construction capabilities. The only suggestion about installing this (I also bought the Waterchef hand held shower) purchase is get a good wrench. You need one with some kind of rubber grip on the teeth, I had a slight difficulty tightening it because my wrench kept slipping. I used my joint tape for the threading to get my wrench not to slip during the process. After the initial installation of the unit, easy peasy filter changing, simply unscrew swap the filter and the magical filtering happens relatively immediately. First the carbon needs to get flushed from the filter prior to actual use. Now, I also have a brand name water filter for my kitchen, specifically for drinking. This came with a digital water tester to measures parts per million water quality. I used that water tester with the shower filter and there wasn't any difference between the unfiltered tap water and the newly filtered tap water. Hang on this gets good. Remember I'm using two filters, and still getting almost the same reading when testing regular tap water and the newly filtered water. Keeping all that in mind I still say that this is an excellent product. I do not understand the science or why the test results were the same, but I can feel the difference. I did not get this product for a free review. I felt this was worth mentioning because before I bought it I read reviews about buyers who tested the filtered water and complained based on the reading that the product wasn't quality. I have TWO filters and the reading still is the same as the tap. I don't know if it's meant for drinking, as far as showering goes it's good.
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