iSpring WGB32BM Review 2026
The iSpring WGB32BM is a 3-stage whole house filter with the highest flow rate on our list. Best for city water with iron and manganese issues. Here's our full review.
Best budget whole house filter - 3-stage, NSF certified components, 15 GPM.
Get it if Well or municipal water leaves iron staining and you need high flow for a big house.
Skip it if PFAS is your reason for filtering: this system does not target it.
- Highest flow rate - 15 GPM
- Removes chlorine + iron + manganese
- 3-stage dedicated filtration
- Maker lists certified components, not a certified system
- No PFAS removal
- Not effective for iron above 3 ppm
What it filters
The WGB32BM uses NSF-certified filter components across its 3 stages, though the system itself does not carry a dedicated NSF 53 or 58 certification (the standards that specifically cover PFAS). iSpring states the carbon stage reduces PFAS; confirm the current claim on the manufacturer's page or the NSF database before relying on it for PFAS specifically.
| Contaminant | Removed | Stage |
|---|---|---|
| Sediment & rust | Yes | 1 |
| Iron & manganese | Yes | 2 |
| Chlorine & taste | Yes | 3 |
| PFAS | Per manufacturer, not independently verified | 3 - verify NSF listing |
| Bacteria | No | UV upgrade needed |
Who should buy the iSpring WGB32BM
- Large households needing high flow rate
- City water with iron or manganese issues
- Budget-conscious buyers who want whole house coverage
- Well water with bacteria - use Aquasana Rhino EQ-1000 instead
- People who need a certified NSF 53 claim - no whole-house system here has one we could find; consider a listed point-of-use filter