
PUR XL 44-Cup Water Filter Dispenser
Score: 70/100
ZeroWater 32-Cup Dispenser
Score: 88/100Rankings

The ZeroWater 32-Cup Ready-Read is a high-performance countertop dispenser that utilizes 5-stage ion exchange to remove 99.9% of dissolved solids. Its standout feature is the integrated TDS meter, which allows users to monitor water purity in real-time. While the filtration speed is slow due to its gravity-fed design, it is ideal for users prioritizing water quality over speed.

The PUR XL 44-Cup Water Filter Dispenser is a high-capacity, non-electric filtration system designed to reduce chlorine and heavy metals. While it offers a large volume and NSF certification, it lacks the purity of RO systems and requires frequent filter changes. It is best suited for households seeking basic filtration without the need for electricity or complex installation.
| Attribute | ![]() | ![]() |
|---|---|---|
2 monthsbest | — | |
— | 99.9 %best | |
2.75 gallonsbest | 2 gallons | |
2 stages | 5 stagesbest | |
17 inchesbest | 10.375 inches | |
7.7 inchesbest | 6 inches | |
12.5 inches | 13.125 inchesbest | |
| ↓ lower better | 8.75 pounds | 4.07 poundsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance & Filtration(7) | ||
Certifications | NSF | IAPMO |
Contaminants Reduced | Chlorine, Mercury, Copper, Zinc, 15+ substances | Lead, Chromium, PFOA/PFOS, Mercury, Cadmium, Chlorine |
Filtration Technology | Activated Carbon/Ion Exchange | Ion Exchange |
Filter Lifespan (months) | 2 months | N/A months |
Flow Rate (gallons per hour) | Fast gallons per hour | N/A gallons per hour |
TDS Reduction (%) | % | 99.9 % |
Filtration Stages (stages) | 2 stages | 5 stages |
Capacity & Dimensions(5) | ||
Water Capacity (gallons) | 2.75 gallons | 2.0 gallons |
Height (inches) | 17 inches | 10.375 inches |
Width (inches) | 7.7 inches | 6.0 inches |
Depth (inches) | 12.5 inches | 13.125 inches |
Product Weight (pounds) | 8.75 pounds | 4.07 pounds |
Design & Installation(2) | ||
Housing Material | Plastic | |
Filter Type | Carbon/Ion Exchange | Ion Exchange |

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

Professional reviewers and experts highly praise the ZeroWater 5-stage filtration process, noting that it delivers water quality comparable to or better than reverse osmosis systems. The integrated TDS meter is specifically highlighted as a key advantage.
Everyday users commonly praise the product for producing noticeably cleaner-tasting water and the convenience of the large 32-cup capacity. However, a recurring complaint is the slow filtration speed.


