
Frizzlife SK99
Score: 88/100
Pureplus Under Sink Filter
Score: 82/100Rankings

The Frizzlife SK99 NEW is a highly rated, NSF-certified under-sink filter that offers a direct-connect installation and a high 2 GPM flow rate. It excels in contaminant removal, including PFAS and lead, while retaining beneficial minerals. The main limitations are its sensitivity to water hardness and temperature, and it does not reduce TDS. It is ideal for families seeking premium protection without renovation costs.

The PUREPLUS WFC5300A is a high-capacity under-sink filtration system designed for easy installation and long-term maintenance-free operation, boasting a 5-year lifespan. It excels at removing chlorine, sediment, and heavy metals while retaining beneficial minerals, making it ideal for improving taste and odor. However, it is not suitable for users requiring TDS reduction or the removal of specific contaminants like fluoride and arsenic.
| Attribute | ![]() | ![]() |
|---|---|---|
2 gallons per minute | 2.5 gallons per minutebest | |
12 months | 60 monthsbest | |
3 | 6best | |
1,600 gallons | 22,000 gallonsbest | |
— | 5 yearsbest | |
| ↓ lower better | 14 inches | 4.5 inchesbest |
| ↓ lower better | 5 inches | 4.5 inchesbest |
| ↓ lower better | 15 inches | 13.7 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Value & Warranty(1) | ||
Warranty (years) | years | 5 years |
Dimensions & Fit(3) | ||
Height (inches) | 14.0 inches | 4.5 inches |
Width (inches) | 5.0 inches | 4.5 inches |
Depth (inches) | 15.0 inches | 13.7 inches |
Performance & Filtration(7) | ||
Certifications | NSF/ANSI 42 & 53 | NSF/ANSI 42, 372, IAPMO, Australian WaterMark, REACH |
Contaminants Removed | Lead, Chlorine, Chloramine, Fluoride, PFAS | Chlorine, Odor, Heavy Metals, Sediment, Rust, VOCs, Lead, Mercury |
Flow Rate (gallons per minute) | 2 gallons per minute | 2.5 gallons per minute |
Filter Life (months) | 12 months | 60 months |
Filtration Stages | 3 | 6 |
Filter Capacity (gallons) | 1600 gallons | 22000 gallons |
Filtration Technology | Carbon Block | Activated Carbon Block |
Installation & Compatibility(3) | ||
Installation Type | Direct Connect | Under Sink |
Operating Pressure (psi) | 20-80 psi | 60 psi |
Installation Time (hours) | 0.25 hours | 0.05 hours |

Products in the top-left offer the best value (high score, low price).

Professional reviewers, including R3 Recommendations, rate the SK99 NEW highly at 8.5/10 overall, praising its value proposition and direct-connect innovation. Experts highlight that it delivers premium, NSF-certified filtration without the premium pricing or complex installation associated with traditional under-sink systems.
No specific consumer quotes or sentiment data were provided in the source material.

“Spring-like water”

“Painless setup: Renters and apartment dwellers highlight the tool-free, 3-minute installation as a major advantage”



Professional reviewers position the PUREPLUS WFC5300A as an efficient, targeted solution for households needing improved drinking water quality without the complexity of whole-house systems. Experts highlight its superiority for renters and those with adequate municipal water pressure.
Everyday users consistently praise the product for its ease of installation and the immediate improvement in water taste, often describing it as 'spring-like.' Renters and families appreciate the tool-free setup and the long-lasting 5-year capacity.