iSpring WGB32B
#9 in CartridgeFull review
For a larger house on city water that wants more carbon than a two stage system. The three filter set costs more to replace.
Amazon $420$420
$1.15 per 1,000 gal15 gpm100,000 gal
2.7/5
A high flow two stage system for chlorinated city water with some grit. Pick a catalytic carbon model if your city uses chloramine.
- $1.39 per 1,000 galRunning cost
- 100,000 gallonsCapacity
- 20 gpmFlow
Check price at Amazon$359.95
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Radial flow carbon keeps pressure up, rated to 20 gpm
- A four layer sediment filter grades from 25 to 1 micron so it clogs more slowly
- The carbon filter lasts about a year for a family of four
Cons
- No certification or stated test standard
- Plain carbon does little for chloramine
- The filter set costs about $140
The Home Master HMF2 family
Every Home Master HMF2 model we rank, smallest first. Ratings compare each against its own build.
| Model | Running cost | Rating | Price |
|---|---|---|---|
| Home Master HMF2SmgCC | $1.79 per 1,000 gal | 2.3/5 | $375.48 |
| Home Master HMF2SdgC (this one) | $1.39 per 1,000 gal | 2.7/5 | $359.95 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its build. How we rank explains each one.
Specifications
| Model number | HMF2SdgC |
|---|---|
| Filtration | |
| Capacity | 100,000 gallons |
| Replacement filters or media | $139.25 |
| Running cost | $1.39 per 1,000 gal |
| Stages | 2 |
| Chloramine | No |
| PFAS | No |
| Build | |
| Flow | 20 gpm |
| Ports | 1 in |
| UV stage | No |
| Warranty | 2 years |
Alternatives in this build
GE GXWH40L
#10 in CartridgeFull review
A bare bones single filter housing for sediment and chlorine taste at the lowest price. It suits small budgets and light use.
Amazon $69.85$69.85
$0.90 per 1,000 gal30,000 gal
Express Water Essential Pro WH300SCGS-S
#12 in CartridgeFull review
A tidy, frame mounted three stage system for city water with some grit. Its certification claim is vague.
Amazon $469.99$469.99
$0.96 per 1,000 gal15 gpm100,000 gal
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