APEC Water Systems ROES-50 (Essence Series) vs Waterdrop WD-G3P800-W
APEC Water Systems ROES-50 (Essence Series)
Waterdrop WD-G3P800-W
The short answer
Waterdrop WD-G3P800-W comes out ahead overall with 7.4/10 against 7.0/10 for the APEC Water Systems ROES-50 (Essence Series). APEC Water Systems ROES-50 (Essence Series) is stronger on value and reliability & support. Waterdrop WD-G3P800-W is stronger on pfas reduction evidence, other contaminant coverage, installation & cabinet fit, flow & daily convenience and health, materials & sustainability. At current verified prices, the APEC Water Systems ROES-50 (Essence Series) costs about $579.01 less.
- Choose the APEC Water Systems ROES-50 (Essence Series) if: Buyers who also want fluoride, arsenic or TDS removal on a budget and have room for a tank.
- Choose the Waterdrop WD-G3P800-W if: Households with known high PFAS or TDS that want the best-documented broad removal and have an outlet and drain under the sink.
Scores by criterion
| Criterion | APEC Water Systems ROES-50 (Essence Series) | Waterdrop WD-G3P800-W |
|---|---|---|
| PFAS reduction evidence | 7.0100% total PFAS in one independent lab test; no PFAS certification. | 9.0NSF 53 PFOA/PFOS certification plus an independent 14-compound panel, though only one panel. |
| Other contaminant coverage | 8.5Lab-verified lead, arsenic, uranium and fluoride, plus NSF 58. | 9.0RO plus NSF 58: TDS, fluoride, arsenic and nitrate on top of 42/53. |
| Value | 8.5$180 and about $75 a year. | 5.0$849 upfront; about $145 a year in filters. |
| Installation & cabinet fit | 4.5Tank, drain saddle, faucet hole; may need a pro. | 5.0Needs an outlet, a drain saddle and a faucet hole. |
| Flow & daily convenience | 5.050 GPD tank; fiddly changes. | 8.0Rated 800 GPD on demand with a filter-life faucet; no measured flow figure. |
| Health, materials & sustainability | 6.0No power, but 3:1 waste and strips minerals. | 7.0NSF 372, efficient 3:1, but uses power; pH fell to 6.3 without remineralization. |
| Reliability & support | 7.0Long-selling; standard filters. | 6.01-year warranty; many bundle ASINs. |
Specifications
| Spec | APEC Water Systems ROES-50 (Essence Series) | Waterdrop WD-G3P800-W |
|---|---|---|
| Filter type | Tank reverse osmosis | Tankless reverse osmosis (with UV LED) |
| PFAS certification (as stated by maker) | None for PFAS; WQA certified (NSF/ANSI 58 system performance) | IAPMO R&T to NSF/ANSI 53 for PFOA/PFOS; also NSF/ANSI 42, 58, 372 |
| Third-party certified for PFAS | No | Yes |
| Independent lab total PFAS reduction | 100 % | — |
| Filtration stages | 5 | — |
| Rated filter life | 12 months | — |
| Rated flow rate | 0.04 gpm | — |
| Est. annual filter cost | 75 USD | 145 USD |
| Pure-to-drain ratio (RO) | 1:3 (3 gal drain per 1 gal filtered, TechGearLab) | 3:1 |
| Needs electrical outlet | No | Yes |
| Uses dedicated faucet (drilling may be needed) | Yes | Yes |
APEC Water Systems ROES-50 (Essence Series)
Pros
- 100% total PFAS removal in Tap Score testing
- Removes lead, arsenic, uranium and fluoride
- Low yearly filter cost
- No electricity needed
Cons
- No PFAS certification
- About 3 gallons of wastewater per gallon filtered
- Bulky tank and harder install
- Water can taste flat
A capable budget RO system with good lab data. Buy it for breadth, not for certified PFAS claims.
Full APEC Water Systems ROES-50 (Essence Series) review →Waterdrop WD-G3P800-W
Pros
- Certified for PFOA/PFOS and lab-tested across 14 PFAS compounds
- Also certified to NSF/ANSI 42, 58 and 372
- Tankless design
- Broad RO coverage including TDS
Cons
- Premium price; street prices vary widely, so confirm you're buying the base unit
- Needs an outlet, a drain connection and a dedicated faucet
- Without the optional remineralization cartridge, Water Filter Guru measured pH dropping from 7.3 to 6.3
- 1-year warranty
The strongest choice for known high PFAS or high TDS. For everyone else, it is more system than you need.
Full Waterdrop WD-G3P800-W review →Both products are part of our guide The Best Under-Sink Filters for PFAS of 2026, where you can see every pick, how we score and current prices from each retailer.