Question 1

Which is better, Aquasana AQ-5200 Under Sink Filter or Waterdrop 10UA Under Sink Filter?

Accepted Answer

Based on our testing, the Aquasana AQ-5200 Under Sink Filter scores higher overall at 9/10. The Aquasana AQ-5200 Under Sink Filter scored 9/10 and the Waterdrop 10UA Under Sink Filter scored 8.3/10 in our Best Under Sink Water Filters 2026 evaluation.

Question 2

Is the Aquasana AQ-5200 Under Sink Filter worth it over the Waterdrop 10UA Under Sink Filter?

Accepted Answer

The Aquasana AQ-5200 Under Sink Filter scores 9/10 while the Waterdrop 10UA Under Sink Filter scores 8.3/10. The Aquasana AQ-5200 Under Sink Filter is our "Best Overall" pick in the Best Under Sink Water Filters 2026 category.

Aquasana AQ-5200 Under Sink Filter vs Waterdrop 10UA Under Sink Filter: Which to Buy?