
Frizzlife Under Sink Filter
Score: 85/100
Icepure Under Sink Filter
Score: 88/100Rankings

The ICEPURE Under Sink Water Filter System is a high-capacity, single-stage carbon block filter designed for quick, tool-free installation and long-lasting performance. Its main limitation is the inability to reduce TDS or handle hot water applications. It is ideal for users seeking a low-maintenance upgrade for municipal water taste and safety.

The Frizzlife MK99 is a compact, NSF-certified under-sink filter that offers rapid installation and replacement with a high 2.0 GPM flow rate. It effectively removes lead, chlorine, and heavy metals while retaining beneficial minerals. Its main limitation is the inability to remove bacteria or viruses, making it less comprehensive than RO systems. It is best suited for households seeking affordable, easy-to-maintain filtration.
| Attribute | ![]() | ![]() |
|---|---|---|
2 gallons per minute | 2.5 gallons per minutebest | |
24 months | 36 monthsbest | |
2best | 1 | |
1,600 gallons | 22,000 gallonsbest | |
— | 1 yearsbest | |
| ↓ lower better | 13.5 inchesbest | 15.55 inches |
| ↓ lower better | 5 inchesbest | 5.39 inches |
| ↓ lower better | 5 inchesbest | 6.81 inches |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Value & Warranty(1) | ||
Warranty (years) | years | 1 years |
Dimensions & Fit(3) | ||
Height (inches) | 13.5 inches | 15.55 inches |
Width (inches) | 5 inches | 5.39 inches |
Depth (inches) | 5 inches | 6.81 inches |
Performance & Filtration(7) | ||
Certifications | NSF/ANSI 53 & 42 | NSF/ANSI 42 |
Contaminants Removed | Lead, Chlorine, Chromium 6, Mercury, VOCs | Heavy Metals, Chlorine, PFOA/PFOS |
Flow Rate (gallons per minute) | 2.0 gallons per minute | 2.5 gallons per minute |
Filter Life (months) | 24 months | 36 months |
Filtration Stages | 2 | 1 |
Filter Capacity (gallons) | 1600 gallons | 22000 gallons |
TDS Reduction (percent) | percent | 0 percent |
Features & Accessories(2) | ||
Included Faucet | false | |
Remineralization | true | false |
Installation & Compatibility(1) | ||
Operating Pressure (psi) | psi | 60 psi |

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

Professional reviewers and editors highlight the Frizzlife systems' NSF/ANSI 42 and 53 certifications as key indicators of safety and effectiveness for removing chlorine, lead, and other contaminants. The systems are praised for their high flow rates and compact, space-saving design, making them suitable for households seeking affordable, point-of-use filtration without the complexity of reverse osmosis.
Everyday users appreciate the ease of DIY installation and the convenience of quick filter replacements. The systems are viewed as a practical, affordable solution for improving tap water taste and safety, particularly for families wanting to remove chlorine and lead without professional plumbing assistance.




Professional reviewers highlight the ICEPURE system as a high-capacity, budget-friendly alternative to shorter-life filters, emphasizing its authoritative NSF certifications and premium 0.5-micron filtration capabilities.
Everyday users generally praise the product for its improved water taste, long filter life, and simple installation process, with no recurring complaints documented.