Everpure H-300-NXT Drinking Water System review

By Daryna Klochko · Published · Specs checked Oct 15, 2026 ·
Everpure H-300-NXT Drinking Water System
Everpure H-300-NXT Drinking Water System
9.75OF 10
Outstanding
Listing 2 · Specs 2 · Cost/yr 1.75 · Warranty & returns 2 · Owner reviews 2 · How we score
Verdict

Scores 9.75/10, tied for 7th of the 32 under-sink filters we track. At $549.51 it costs 2.8 times the category median of $199.50. NSF lists it for Chlorine, Lead, Cysts, Microplastics, one of 29 under-sink filters out of 32 with a certifier listing for a health claim. Buyers on Amazon rate it 4.6/5 across 55 ratings.

Best for

Buyers who go by ratings: 4.6/5 from 55 on Amazon

Price
$549.51
Certified for
Lead · Cysts · Microplastics +7
Flow
0.5 gpm
Cartridge life
300 gal
Cost per year
$177
Warranty
1 year

Certification

Certified 42 · 53 · 401

Listed by NSF under NSF/ANSI 42 · 53 · 401 for Chlorine, Lead, Cysts, Microplastics, checked Oct 15, 2026. Search the NSF listings

  • Chlorine
  • Lead
  • Cysts
  • Microplastics

The contaminants or other substances removed or reduced by this water treatment device are not necessarily in your water. Listing checked on Oct 15, 2026. What a listing means and what it doesn't

Specs and sources

Checked Oct 15, 2026 · source under each value
Filtration
Certification Certified by NSF to NSF/ANSI 42 · 53 · 401 (listing checked Oct 15, 2026) NSF listing · Oct 15, 2026
Certified to reduce Chlorine, Lead, Cysts, Microplastics, Bisphenol A, Estrone, Ibuprofen, Naproxen, Nonylphenol, Phenytoin NSF listing · Oct 15, 2026
Flow rate, brand figure 0.5 gpm (NSF listing) Everpure data sheet
Cartridges and install
Cartridge life 1 year or 300 gallons (spec sheet; NSF listing) Everpure data sheet
Cartridge price EV927441 $177.44 Everpure data sheet
Cost per year About $177 a year in cartridges at the brand's price Everpure data sheet
Install Under the sink with its own side faucet; needs a faucet hole, no drain line Everpure data sheet
Buying
Price $549.51 (checked Oct 15, 2026) amazon.com
Warranty 1 year Everpure data sheet
Returns 30 days (Amazon.com) Everpure data sheet
Brand page Certifier listing

Warranty, returns and shipping

Warranty 1 year
Returns 30 days

30 days (Amazon.com).

Shipping Not stated

Warranty: 1 year. Returns: 30 days (Amazon.com). Shipping: not stated by the brand. Source: Everpure data sheet, checked Oct 15, 2026.

Source: Everpure data sheet, checked Oct 15, 2026.

Compared with similar under-sink filters

All 32 under-sink filters →
Certified for: Lead · Cysts +4 · Warranty: 1 yearScore 9.25/10
$435.97 See specs →
Certified for: Lead · Cysts +3 · Warranty: 1 yearScore 9.5/10
$439.69 See specs →
Certified for: Lead · Cysts +2 · Warranty: 1 yearScore 10/10
$455.89 See specs →
Everpure H-300-NXT Drinking Water SystemTHIS MODEL
Certified for: Lead · Cysts +8 · Warranty: 1 yearScore 9.75/10
$549.51
Certified for: Chlorine · Warranty: 2 years (limited)Score 8.75/10
Similar models compared: price, certified for, cost per year, warranty, score.
ModelPriceCertified forCost per yearWarrantyScoreWhere to buy
3M Aqua-Pure AP-DWS1000 Under Sink System $435.97Lead · Cysts +4$3461 year 9.25/10 See specs →
Everpure H-300 Drinking Water System $439.69Lead · Cysts +3$1991 year 9.5/10 See specs →
Everpure H-104 Drinking Water System $455.89Lead · Cysts +2$1091 year 10/10 See specs →
Everpure H-300-NXT Drinking Water SystemTHIS MODEL $549.51Lead · Cysts +8$1771 year 9.75/10
Clearly Filtered 3-Stage Under the Sink System $550Chlorine$4552 years (limited) 8.75/10 Check price →

What owners say

Checked Oct 15, 2026
Amazon Mostly positive
4.6/5 · 55 reviews
5★84%
4★7%
3★4%
2★0%
1★5%

4.6/5 from 55 ratings on Amazon. In our score this is 2 of 2 points. How we score

Store ratings change over time; the date shows when we checked.

Daryna Klochko

Affiliate links

Closest match we link to Kohler Aquifer+ Two-Stage (K-29638) $356.25 · 9.25/10
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