Everpure H300 HSD Cartridge EV927075

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This is the replacement cartridge for the H300-HSD Drinking Water System.  HSD stands for high silt density - this is a fancy way of saying 'a lot of dirt'. 

If you are finding that you get short life from our traditional H300 cartridge, this HSD cartridge will give you longer life without compromising on quality.

This water filter reduces the following contaminants:

  • Lead
  • Asbestos fibers
  • Parasitic cysts such as Giardia and Cryptosporidium
  • Chlorine taste and odor
  • Dirt and cloudiness
  • Mold and algae
  • Oxidized iron, manganese and sulfides
  • Particles down to 1/50,000th of an inch

How often should I change the filter?:

We recommend changing this filter 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.

Filter life depends on three factors, and these three are unique to you:

  1. How often you use the filter
  2. How dirty your water is
  3. What kind of water pressure you have

All Everpure residential systems and cartridges include a Time strip filter monitor to remind you when 11 months have passed. This is based on the recommendations by Everpure to change the filter on an annual basis.  Remember to buy only genuine Everpure replacement cartridges to maintain your warranty. Better yet, join our free lifetime warranty program!

NSF Certification:

This drinking water system is third party tested and certified by the National Sanitation Foundation (NSF) for Std. 42 & 53. Please refer to the system spec sheet for a detailed listing of NSF certifications. Standard 53 is the most important as it certifies for the removal of parasitic cysts, such as Cryptosporidium, and Lead.  Read more about NSF.

Read more about the versatility of cartridges you can use with an Everpure Quick-Change head.

Please note: this cartridge fits into the QL1, QL2, QL3 and QC4 heads. If you have a ProSeries head, please use the ProSeries 1500/2500/3500 cartridges.


  • Capacity: 300 gallons
  • Flow Rate: 1/2 gallon per minute
  • Micron Rating: 0.50 microns
  • Certifications: NSF Standard 42 & 53
  • Cartridge Size: 20 inches*

*Note: Cartridge length includes an additional 3" inches required for cartridge removal

Spec Sheets:

Our Guarantee:

Your satisfaction, with our products and service, is of paramount importance to us. 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. Thank you.

Here is a link to learn more about warranty & returns.

Customer Reviews
4.9 Based on 18 Reviews
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Filter Reviews:
United States United States
I recommend this product

Excellent Service and Product

Fits perfect and water is awesome



Wonderful to hear; thank you so much for the review!

Christina N.
United States United States
I recommend this product

tastes so good

can't believe i didn't order one sooner.



Great to hear!

United States United States
I recommend this product

The real thing

I’d had disappointing results with replacement filters I’d bought online and feared I’d received inferior or counterfeit filters. But I decided to give one more chance by seeking a dedicated seller and bought from efilters.net. This one seems like the real deal, and has performed as I’d expect - with clean fresh water. The purchase experience was also excellent, with frequent communication on the order status. My credit card charged an international transaction fee, which was a surprise, but that was the only negative, and was a small fee, so not significant. I would buy from efilters again.



Thank you for trusting us to deliver; we really appreciate the opportunity!

United States United States
I recommend this product


Excellent as usual



That’s awesome. Thank you!

Sankaran S.
United States United States
I recommend this product

Reliable Vendor to buy Water filters from

All instructions to replace the filter was provided clearly by EFilters, in addition to the filter manufacturer. This is the 2nd year I am buying from EFilters and am happy with the order and shipping process. As far as the filter itself, I can say that aftermarket filter versions do not necessarily do a good job - I can only observe it in how low the water flow is right after installation. I have since decided to buy Pentair / Everpure original filters. They work as expected.



Thank you for your repeat business!