Glacier Fresh GF-PC04 Filtration System
- Filtration System
- 2.3 gallons
- Electrosorption
- Countertop
A no-install countertop filter with a 2.25 gallon reservoir, useful for renters, though its electrosorption method isn't detailed with performance data here.
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How it ranks among the 65 filtration systems we track
3.9★ across 5 Amazon ratings, Bayesian-smoothed toward the category average.
5 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 65 filtration systems we track - how the scorecard works · full filtration systems data report. Confidence: limited - limited rating history.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Countertop placement is the whole idea behind the Glacier Fresh GF-PC04, a stainless steel filtration system that uses electrosorption purification and holds 2.25 gallons in its reservoir. It measures 14.25 by 13.58 by 16.14 inches, sized for a kitchen counter rather than an under-sink install.
Electrosorption is a less common purification route than a standard carbon block, drawing contaminants to charged electrode surfaces instead. The main draw here is that it needs no plumbing modification at all, though the listing doesn't spell out contaminant reduction data for specific substances.
- 2.25 gallon reservoir capacity
- Electrosorption purification method
- Stainless steel housing
- Countertop, no-plumbing design
Who it's for
Fits renters or anyone wanting filtered water without permanent plumbing work. Less suited to households wanting continuous high-volume filtered flow rather than a refillable reservoir.
Strengths and trade-offs
Drawn from this product's published specifications.
- No installation or plumbing changes needed
- Stainless steel housing resists corrosion
- 2.25 gallon reservoir covers typical daily use
- Takes up counter space
- Requires manual refilling
- Electrosorption performance data isn't published
Performance notes
Electrosorption pulls contaminants onto charged electrode surfaces as water passes through, an alternative to a standard carbon block. How it performs against particular contaminants isn't broken out in the available listing data.
Specifications
| Brand | Glacier Fresh |
|---|---|
| Model | GF-PC04 |
| Capacity | 2.3 gallons |
| Purification | Electrosorption |
| Install Type | Countertop |
| Material | Stainless Steel |
| Dimensions | 14.2 × 13.6 × 16.1 inches |
How it compares
This product against the closest alternatives we track in filtration systems.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Glacier Fresh GF-PC04 Filtration SystemThis product | 3.9 / 5 | 5 | 2.7 / 5 |
| Waterdrop WD-TSU Filtration SystemWaterdrop | 4.5 / 5 | 3,347 | 4.4 / 5 |
| Aqua Crest AQ-5KDC Filtration SystemAqua Crest | 4.4 / 5 | 1,300 | 4.3 / 5 |
| Apec Water WFS-1000 Filtration SystemApec Water | 4.3 / 5 | 1,500 | 4.2 / 5 |
| Bluevua A-JSJ-LPD-100UV-BMT Filtration SystemBluevua | 4.4 / 5 | 1,356 | 4.0 / 5 |
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Questions about the Glacier Fresh GF-PC04
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does the GF-PC04 need to be plumbed in?
No, it's a countertop unit that doesn't require permanent plumbing.
What is electrosorption filtration?
A method that draws contaminants to charged electrode surfaces rather than relying only on a carbon block.
How much water does the reservoir hold?
2.25 gallons.