A note about COVID-19: We're doing everything we can to ship orders quickly and safely.
Current delivery times are running longer than usual. - learn more
Toll-Free Customer Care

Contiguous US Orders


WaterChef CR70 Countertop Water Filter Replacement Cartridge, 1,000 Gallon Capacity

  • WaterChef CR70 countertop water filter replacement cartridge
  • replace CR70 cartridge easily without tools

Filter More for Less with Big Block™ Filtration!

WaterChef® CR70 Countertop Replacement Cartridge features powerful Big Block™ filtration technology for superior contaminant reduction and a 1,000 GALLON rated capacity! Filter More. Spend Less! 

Product Highlights

  • Superior Performance and Taste
  • Huge 1,000 GALLON Rated Capacity!
  • WQA Gold Seal Certified (Trusted Performance!)
  • Quick & Easy Filter Cartridge Replacement (No Tools Required.)
  • Made in the USA
FREE SHIPPING! (Contiguous U.S.)
Extra 15% OFF This Filter Cartridge
+ All Auto-Shipped Cartridges!  Details
*Auto-Ship is only available in the Contiguous U.S. at this time.

I researched extensively before buying this filter and now I am glad that I did. I have wasted so much money on other filters that broke, needed frequent filter replacement, or out and out didn't do the job. This filter is the best hands down. Tonya M., WaterChef Customer

  • Overview
  • Specifications
  • Reviews


WaterChef® Premium Countertop Filter Cartridges

Filter More, Spend Less!

Taste the WaterChef® Difference!

Superior Performance with Innovative Big Block™ Filtration Technology!

Combining the power of solid carbon block filtration with a unique, proprietary blend of additional filter media, WaterChef’s innovative Big Block™ Filtration technology maximizes contaminant reduction and delivers up to 1,000 GALLONS (3,785 L) of freshly filtered water with a single cartridge!

This unique formula provides unsurpassed contaminant reduction for a broad range of common tap water contaminants including: Lead, Chlorine, Chloramine, Mercury, Cysts (including Giardia and Cryptosporidium)Chlorine By-Products (such as Trihalomethanes)Synthetic Contaminants (such as Pesticides and Herbicides)Industrial Contaminants(such as Volatile Organic Compounds (VOCs))Emerging Contaminants (such as Pharmaceuticals and Detergents), and Petroleum Contaminants (such as Benzene and MTBE), all while allowing beneficial minerals (such as Calcium, Magnesium, and Potassium) to remain in the water.

The result is great tasting water that is cleaner, healthier and naturally balanced (without the de-mineralization and "flat" taste associated with other water filtration technologies such as reverse osmosis and distillation).

Huge 1,000 GALLON Rated Capacity! - Greater Savings and Convenience. Less Waste.

WaterChef countertop water filter C7000 - quick and easy cartridge replacementsStop being nickel and dimed to death by small, costly and less effective replacement filter cartridges. With WaterChef you’ll enjoy premium quality water at a fraction of the cost. You’ll also enjoy the convenience of a 1,000 GALLON rated cartridge capacity (That’s over 7,500 plastic water bottles!).

For most households, that translates into just ONE filter cartridge replacement per YEAR! (Compare that to the cartridges for pitcher filters, faucet filters and refrigerator filters that are so small that they can require as many as 25 replacements per year!) And, fewer cartridges to replace means less waste for the environment too!

Tested & Certified by WQA - Trusted Performance!

WQA Gold Seal

The water filtration industry is riddled with unvalidated and exaggerated performance claims, but you can rest assured knowing that WaterChef has invested in extensive third-party testing and certification by one of the water filtration industry's leading authorities, the Water Quality Association (WQA).

WQA's independent testing program requires the strictest of compliance standards. They are valued by consumers, manufacturers, retailers and regulatory agencies worldwide. Trust is what NSF/ANSI Certification is all about.

Discover the Difference...Discover WaterChef!

WaterChef® CR70 Premium Countertop Filter Cartridges

Replacement Filter Cartridge CR70
Installation Type Countertop
Cartridges Compatible with WaterChef® C7000 Countertop Water Filtration Systems
Rated Capacity 1,000 GALLONS!
Rated Service Flow .75 gal/min @ 60 psi
Maximum Working Pressure 100 psig (689.5 kPa)
Minimum Working Pressure 30 psig (206.8 kPa)
Maximum Operating Temp. 100º F (38º C)
Minimum Operating Temp. 34º F (1º C)
Particle Retention Size Sub-Micron (0.5 micron)
Tested & Certified by NSF® International YES
Tested & Certified by WQA YES
Certified by CA Dept. of Public Health YES
NSF/ANSI Certifications NSF/ANSI Standard 42, NSF/ANSI Standard 53, NSF/ANSI Standard 401
Manufactured USA
Battery for Intelligent Monitor™ Included YES
Battery Type 2032 CR, 3V lithium (included with Cartridge)

Product Reviews

  1. This filter is the best hands down.

    Posted by Tonya M. on 31st Aug 2020

    I researched extensively before buying this filter and now I am glad that I did. I have wasted so much money on other filters that broke, needed frequent filter replacement, or out and out didn't do the job. This filter is the best hands down.

  2. Great filter

    Posted by Unknown on 12th Jul 2020

    Going on 6 years with my water filter.. I take it on any trip I go on, saves plastic bottles and will filter any odd tasting water (ex: tap water by the ocean). I really hope the price doesn't go up or that a battery free filter option comes out as I don't really rely on the monitoring system, just on time; but hey if not, oh well, it's a really great filter either way.

  3. Clean and Delicious!

    Posted by D. Young on 19th Jun 2020

    I love my filter. The cartridge is easy to install and the water tastes so much better! I love that I can trust it's removing so much from my water without sacrificing the taste. This is a great product that I completely recommend.

  4. Thank you WaterChef for finding a solution for me!

    Posted by Sayra - Denver on 11th Jun 2020

    This is one of the best investments I have ever made. I have owned this system for over 9 years and still loving it. This cartridge does what it really says it does. Nothing compares to it. I strongly recommend it!! Thank you so much WaterChef!

The WaterChef CR70 Countertop Water Filter Replacement Cartridge, 1,000 Gallon Capacity is
rated 5.0/5 based on 4 reviews


Save Time and Money with Auto-Ship!


Replacement Cartridges delivered right to your door when you need them.

Exclusive Discount

Get an additional 10% OFF Systems and 15% OFF Filter Cartridges purchased with Auto-Ship, plus 15% OFF + FREE Shipping on all your auto-shipped Replacement Cartridges!

Easy to Manage

Not ready for your next cartridge? Need your next cartridge sent early?
No problem. Simply adjust your shipping frequency to fit your needs.

No Risk!

Enrollment is free and you may cancel at any time!


Save Money  |   Save Time  |   Cancel Any Time

*Auto-Ship is only available to customers located in the contiguous U.S. at this time.