
AquaTru Classic
Score: 85/100
Dreo Reverse Osmosis Water Filter
Score: 85/100Rankings

The AquaTru Classic Countertop Water Purifier is a plug-and-play, NSF-certified 4-stage reverse osmosis system designed for countertop use without requiring plumbing. It removes over 84 contaminants, including lead and PFAS, offering high-quality filtration in a portable, renter-friendly package with a 3:1 pure-to-waste ratio. It is best suited for renters and households with questionable tap water who need safe, high-quality drinking water without permanent installation.

The Dreo RO Water Filter 115 is a compact, plug-and-play countertop RO system featuring real-time TDS monitoring and auto-fill pitchers. While it offers excellent purity and eco-friendly water usage, the slow fill time and operational noise are notable drawbacks. It is ideal for small households and renters who prioritize pure RO water without plumbing.
| Attribute | ![]() | ![]() |
|---|---|---|
12 monthsbest | 12 monthsbest | |
0.04 gallons per hourbest | — | |
91.05 % | 95 %best | |
0.75 gallons | 1.3 gallonsbest | |
4 stages | 7 stagesbest | |
14 inchesbest | 13.27 inches | |
12 inches | 13.78 inchesbest | |
14 inchesbest | 7.87 inches |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance & Filtration(5) | ||
Certifications | NSF/ANSI, IAPMO | SGS, NSF/ANSI 58 |
Contaminants Reduced | 84+ Contaminants including Lead, PFAS, Fluoride | 1000+ impurities including heavy metals and PFAS |
Flow Rate (gallons per hour) | 0.04 gallons per hour | Slow gallons per hour |
TDS Reduction (%) | 91.05 % | 95 % |
Filtration Stages (stages) | 4 stages | 7 stages |
Capacity & Dimensions(5) | ||
Water Capacity (gallons) | 0.75 gallons | 1.3 gallons |
Height (inches) | 14.0 inches | 13.27 inches |
Width (inches) | 12.0 inches | 13.78 inches |
Depth (inches) | 14.0 inches | 7.87 inches |
Product Weight (pounds) | 17.0 pounds | 10.78 pounds |
Design & Installation(3) | ||
Housing Material | BPA-Free Plastic | ABS Plastic |
Filter Type | RO Membrane | Composite/RO |
Power Requirement | 120 V AC | Electric |

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

Professional reviewers rate the AquaTru Classic as a strong, portable alternative to under-sink RO systems, praising its NSF-certified contaminant removal and ease of installation. However, critics note the slow dispensing speed and the limitation that remineralization is only available on higher-end models, concluding it is ideal for medium-volume households but not for those needing instant, high-flow water.
Everyday users report overwhelmingly positive sentiment regarding water taste and convenience, frequently describing the water as crisp and clean. Common praise highlights the ease of use and the benefit of chilled water from the removable tank. Recurring complaints focus on the audible pump noise, the slow batch-filling process, and the frequency of refilling the tap tank.

“The water tastes crisp, clean, and like bottled water.”

“Ice made from AquaTru water is clearer and less odorous.”

“The pump is audible and can be annoying in small, quiet spaces.”




Professional reviewers, including Bob Vila and TWICE, praise the Dreo RO 115 for delivering under-sink level purity in a compact, plug-and-play design. Experts highlight its eco-friendly 3:1 water ratio and premium features like real-time TDS monitoring and self-cleaning. While the filtration performance and taste are highly rated, reviewers note the slow fill time and moderate operational noise as minor drawbacks.
Everyday users appreciate the convenience of the autofill feature and the ease of filter maintenance. Common praise includes the noticeable improvement in water taste and the reduction in plastic bottle usage. Recurring themes indicate satisfaction with the reliability of the auto-fill sensor, with no major complaints beyond the noted speed and noise issues.