Home & Cleaning
R3 has independently scored 8 bath filters for safety on a 0 to 10 scale. The average safety score is 4.3/10, 1 score 9.0 or higher, and Santevia Bath Filter leads the category at 9.5/10.
Across the 8 bath filters R3 scored, safety scores range from 1/10 to 9.5/10, with a median of 2.9/10. The distribution below shows how many land in each safety band.
Lowest safety score
Tubo Bath FilterSafety 1/10, the lowest in the set, scored the same way as every other product in the category.
Safety accounts for 35% of the overall score for bath filters in R3's scoring system (version 1.0.0). Every product in this category is scored against the same published criteria, so these numbers are comparable across the whole set. See how we score products.
| # | Product | Safety | Overall |
|---|---|---|---|
| 1 | Santevia Bath Filter | 9.5 | 8.0 |
| 2 | Canopy Baby Bath Tub Filter | 8.6 | 7.5 |
| 3 | Filterbaby Faucet Filter | 5.1 | 4.8 |
| 4 | Sprite Bath Pure Filter | 3.5 | 3.9 |
| 5 | CuZn Bath Ball Filter | 2.3 | 4.3 |
| 6 | Crystal Quest Bath Ball Water Filter | 2.3 | 3.0 |
| 7 | Kinder Filter Bathtub Faucet Water Filter | 1.8 | 2.8 |
| 8 | Tubo Bath Filter | 1.0 | 1.7 |
Source: R3 (2026). Safety scores on a 0 to 10 scale across 8 independently scored bath filters.
R3 has independently scored 8 bath filters for safety, with an average safety score of 4.3/10 and a median of 2.9/10. Scores range from 1/10 to 9.5/10.
Santevia Bath Filter has the highest safety score among the 8 bath filters R3 scored, at 9.5/10. 1 of 8 score 9.0 or higher on safety.
Safety accounts for 35% of the overall score for bath filters in R3's scoring system (version 1.0.0). Every product in the category is scored the same way, against the same published criteria.