Everpure H-300 Drinking Water System review

By Daryna Klochko · Published · Specs checked Oct 15, 2026 ·
Everpure H-300 Drinking Water System
Everpure H-300 Drinking Water System
9.5OF 10
Outstanding
Listing 2 · Specs 2 · Cost/yr 1.75 · Warranty & returns 2 · Owner reviews 1.75 · How we score
Verdict

Scores 9.5/10, tied for 17th of the 32 under-sink filters we track. At $439.69 it costs 2.2 times the category median of $199.50. NSF lists it for Chlorine, Lead, Cysts, VOCs, Microplastics, one of 29 under-sink filters out of 32 with a certifier listing for a health claim. Its cartridge cost of about $199 a year is above the $168-a-year median of the 32 under-sink filters with a stated cartridge cost.

Price
$439.69
Certified for
Lead · Cysts · VOCs +2
Flow
0.5 gpm
Cartridge life
300 gal
Cost per year
$199
Warranty
1 year

Certification

Certified 42 · 53 · 401

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

  • Chlorine
  • Lead
  • Cysts
  • VOCs
  • 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, VOCs, Microplastics 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 EV927072 $199.40 Everpure data sheet
Cost per year About $199 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 $439.69 (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 +5 · Warranty: 5 years limitedScore 9.25/10
$356.25 Check price →
Certified for: Lead · Cysts +2 · Warranty: 1 yearScore 9.75/10
$367.93 See specs →
Certified for: Lead · Cysts +4 · Warranty: 1 yearScore 9.25/10
$435.97 See specs →
Everpure H-300 Drinking Water SystemTHIS MODEL
Certified for: Lead · Cysts +3 · Warranty: 1 yearScore 9.5/10
$439.69
Certified for: Lead · Cysts +2 · Warranty: 1 yearScore 10/10
$455.89 See specs →
Similar models compared: price, certified for, cost per year, warranty, score.
ModelPriceCertified forCost per yearWarrantyScoreWhere to buy
Kohler Aquifer+ Two-Stage (K-29638) $356.25Lead · Cysts +5$3905 years limited 9.25/10 Check price →
Everpure EF-1500 Full Flow Drinking Water System $367.93Lead · Cysts +2$1391 year 9.75/10 See specs →
3M Aqua-Pure AP-DWS1000 Under Sink System $435.97Lead · Cysts +4$3461 year 9.25/10 See specs →
Everpure H-300 Drinking Water SystemTHIS MODEL $439.69Lead · Cysts +3$1991 year 9.5/10
Everpure H-104 Drinking Water System $455.89Lead · Cysts +2$1091 year 10/10 See specs →

What owners say

Checked Oct 15, 2026
Amazon Too few ratings
4.3/5 · 15 reviews
5★58%
4★18%
3★24%
2★0%
1★0%

Only 15 ratings on Amazon, too few to call. In our score this is 1.75 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
Check price
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