Frigidaire ULTRAWF PureSource Ultra Refrigerator Water Filter vs PUR Plus Vertical Faucet Mount Water Filtration System
Head-to-head spec comparison to help you pick the right water filter for your needs.
Spec-by-Spec Comparison
| Spec | Frigidaire ULTRAWF PureSource Ultra Refrigerator Water Filter | PUR Plus Vertical Faucet Mount Water Filtration System |
|---|---|---|
| Form factor | Refrigerator cartridge | Faucet mount |
| Evidence tier | Strong genuine-cartridge receipt | Strong certifier receipt |
| Certifier | NSF International / WQA sustainability certification | NSF |
| Certified standards | 42, 53, and 401 in PureSource Ultra | 42 and 53 claims |
| Primary claim receipt | Certified reductions apply to ULTRAWF in compatible PureSource Ultra refrigerator systems | NSF listing ties FM2500V/RF-9999 to chlorine, taste/odor, particulate, lead, VOC-class, and related claims |
| Service cycle | 200 gal / 3-6 months | 100 gal / about 3 months |
| Est. annual filters | 112 USD | 80 USD |
| Flow | 0.5 gpm | 0.52 gpm |
| Install burden | Push-to-lock refrigerator cartridge | No-drill faucet mount |
| TDS reduction | No | No |
| Price | $56 | $29.99 |
| Rating | 8.2/10 | 8.8/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
Frigidaire ULTRAWF PureSource Ultra Refrigerator Water Filter
Pros
- Official Frigidaire page names NSF/ANSI 42, 53, and 401 certification in PureSource Ultra systems
- 200-gallon/six-month service cycle gives a clear maintenance deadline
- Genuine-filter packaging and compatibility warnings are useful for avoiding counterfeit or wrong-family cartridges
Cons
- ULTRAWF is not interchangeable with every Frigidaire filter family
- Third-party compatible cartridges need separate receipts before carrying health-effect claims
- Annual cartridge cost is high for a fridge-only drinking-water path
PUR Plus Vertical Faucet Mount Water Filtration System
Pros
- NSF listing for the FM2500V/RF-9999 combination is easy to verify by model
- Renter-friendly faucet installation avoids drilling or under-sink cabinet work
- Low upfront price makes it a practical lead-reduction starting point for compatible faucets
Cons
- Compatibility depends on faucet aerator style and sink clearance
- Flow is slower than a normal tap and cartridges need frequent replacement
- The exact replacement filter matters; third-party compatible cartridges should not inherit PUR certification claims
Our Verdicts
Frigidaire ULTRAWF PureSource Ultra Refrigerator Water Filter
Frigidaire ULTRAWF is a useful receipt-led cartridge pick because the official page gives standards, capacity, flow, and replacement cadence in one place. It should be recommended only to owners whose refrigerator specifically calls for ULTRAWF/PureSource Ultra.
PUR Plus Vertical Faucet Mount Water Filtration System
The PUR Plus FM2500V is the launch site's best faucet-mount pick because the model-level NSF receipt is unusually straightforward. It is a low-friction option for renters and lead-conscious buyers, as long as the faucet fits and the user sticks with the certified replacement element.
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