Quantum 1000 Cartridge #Q1000

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Drinking Water & Bottle-less Water Coolers

Always in stock - order by 3 pm today and we ship today!

Bottled water equivalent: 5,680 x 500 ml. (16.9 oz.) bottles

The Quantum 1000 cartridge is the replacement for the Q1000 water filter system.  We also have a higher capacity Quantum Q4000 if you require greater capacity and have the additional space.

The Q1000 and Q4000 are third party tested and certified by the National Sanitation Foundation (NSF). This means that the claims that Everpure makes regarding performance and capacity have been tested and certified to be true.  This provides you with peace of mind that what you are buying will deliver on its promise of quality.

The two important standards are #42 and #53:

We recommend changing this filter on an annual basis or when the flow rate becomes inconveniently slow. Our water quality is changing all the time.  Even if you have your water tested, that is just a snapshot on that particular day, so don't be surprised if the frequency of cartridge change fluctuates from one year to the next; this is normal.  

What matters most is knowing that regardless of the water quality going into the water filter, the quality coming out will always be the same.  This is the promise that Everpure delivers on and that is why it is so important to only buy a water filter that is third party tested and certified by NSF. Without NSF, the manufacturer can make whatever claims they want.  Read more on this important certification.

Note: The Q1000 and Q4000 water filters fit exclusively in the QH3 head only


  • Capacity: 750 gallons
  • Maximum Flow Rate: 0.5 gallon per minute
  • Micron Rating: 0.5 (1/50,000th of an inch)
  • Filtration Design: Precoat
  • Certifications: NSF/ANSI Standard 42 & 53
  • Cartridge Size: 12 inches*
*Note: Cartridge length includes an additional 3" inches required for cartridge removal

    Specs Sheets:

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    We want you to be 100% happy with your order and our service. We guarantee your satisfaction. If you have any issues whatsoever, please send us an email or better yet, hop on our Live Chat.  We will take care of you!

    Customer Reviews
    4.8 Based on 79 Reviews
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    Filter Reviews:
    Chris G.
    Canada Canada
    I recommend this product

    Q1000 reorder

    Fast and easy replacement order.

    Canada Canada

    Delivery Flawed

    Have not received product yet. UPS delayed twice. Once due to unexplained emergency and another due to my rural address. You must know that UPS will not deliver to rural addresses with community postal boxes, why do you then accept this type of address. Had I know delivery was being made by UPS, I would have given our local UPS access point address instead and we would have our filters by now.



    Thank you for your review and for raising this concern. Your comments initiated a good dialogue amongst our team and we agree with you that we could have done better and asked you to qualify your address for UPS service. That's not to say that UPS still wouldn't of had possible delays but we would have done our part to ensure success. We are taking immediate steps to rectify this, thanks to you! While we cannot vouch for what UPS does, that does not mean that we

    Canada Canada
    I recommend this product

    Purchase of a cartridge for my Efilter

    Excellent. I had the filter I ordered at my door within a week of ordering it.



    Thank you for your review!

    Canada Canada
    I recommend this product

    EFilter puchase

    Good - arrived on time and in good condition!

    Canada Canada
    I recommend this product

    Purchase of 4 Quantum 1000 Water Filters

    Experience was great.



    Great to hear; thank you!