APEC ROES-50 Essence Series 5-Stage Reverse Osmosis System with Extra High Capacity Pre-Filter Set vs Frigidaire ULTRAWF PureSource Ultra Refrigerator Water Filter
Head-to-head spec comparison to help you pick the right water filter for your needs.
Spec Winner
APEC ROES-50 Essence Series 5-Stage Reverse Osmosis System with Extra High Capacity Pre-Filter Set
Wins on 2 of 3 spec categories
Spec-by-Spec Comparison
| Spec | APEC ROES-50 Essence Series 5-Stage Reverse Osmosis System with Extra High Capacity Pre-Filter Set | Frigidaire ULTRAWF PureSource Ultra Refrigerator Water Filter |
|---|---|---|
| Form factor | Under-sink RO | Refrigerator cartridge |
| Evidence tier | Strong RO standard receipt | Strong genuine-cartridge receipt |
| Certifier | WQA / NSF-ANSI 58 | NSF International / WQA sustainability certification |
| Certified standards | 58 and 372 claims | 42, 53, and 401 in PureSource Ultra |
| Primary claim receipt | RO system certification is strongest for TDS/RO performance; individual contaminant claims still need current performance sheet | Certified reductions apply to ULTRAWF in compatible PureSource Ultra refrigerator systems |
| Service cycle | Prefilters about 6-12 months; membrane longer | 200 gal / 3-6 months |
| Est. annual filters | 75 USD | 112 USD |
| Flow | 0.04 gpm | 0.5 gpm |
| Install burden | Under-sink tank, drain line | Push-to-lock refrigerator cartridge |
| TDS reduction | Yes | No |
| Price | $199.23 | $56 |
| Rating | 8.9/10 | 8.2/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
APEC ROES-50 Essence Series 5-Stage Reverse Osmosis System with Extra High Capacity Pre-Filter Set
Pros
- High-value under-sink RO system with WQA Gold Seal/NSF-ANSI 58 positioning
- Tank-based design is familiar, serviceable, and well represented in replacement-filter listings
- Good fit when broad contaminant reduction matters more than compact cabinet footprint
Cons
- Requires drain connection, storage tank, under-sink space, and periodic sanitizing
- RO wastewater and slower tank refill are real ownership tradeoffs
- Some broad marketplace reduction claims need performance-sheet-level verification before repeating
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
Our Verdicts
APEC ROES-50 Essence Series 5-Stage Reverse Osmosis System with Extra High Capacity Pre-Filter Set
The APEC ROES-50 is the best first RO shortlist item for buyers who want broad filtration without jumping into expensive tankless electronics. Filter Report treats its NSF/ANSI 58 certification as the key receipt, then keeps the installation and wastewater caveats visible.
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.
APEC ROES-50 Essence Series 5-Stage Reverse Osmosis System with Extra High Capacity Pre-Filter Set
$199.23