Refrigerator Water Filter LT700P vs Waterdrop Refrigerator Water Filter for Whirlpool 3-Pack: which is safer?
LG Refrigerator Water Filter LT700P is our pick: better on PFAS and on the overall hazard picture.
Our pick
LG
Refrigerator Water Filter LT700P
PFAS grade
Excellent 95/100
Overall grade
Excellent 87/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Activated carbon, polypropylene filter media
Confidence
72%
PossibleBacterial growth in carbon media
PossibleCarbon dust or fines in dispensed water
Whirlpool
Waterdrop Refrigerator Water Filter for Whirlpool 3-Pack
PFAS grade
Excellent 95/100
Overall grade
Excellent 83/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Activated carbon and polypropylene (typical refrigerator filter media)
Confidence
72%
PossibleBacterial growth in filter media (biofilm accumulation)
PossibleCarbon dust or particle release into water
PossibleFilter housing seal or valve failure
Where these two actually differ
- We flag Bacterial growth in carbon media and Carbon dust or fines in dispensed water on the LG and not on the Whirlpool.
- We flag Bacterial growth in filter media (biofilm accumulation), Carbon dust or particle release into water and Filter housing seal or valve failure on the Whirlpool and not on the LG.
- The LG is Activated carbon, polypropylene filter media where the Whirlpool is Activated carbon and polypropylene (typical refrigerator filter media), which is most of the difference in these two grades.
- These two are level, close enough that price and fit should decide it rather than our grade.
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More refrigerator filters: see the full ranking