303 Fabric Guard Water Repellent Spray vs Griot's Interior Detailer: which is safer?
Griot's Interior Detailer is the clear pick. 303 Fabric Guard Water Repellent Spray carries a failing PFAS grade, and we never recommend buying a failing product.
303 Protectant
303 Fabric Guard Water Repellent Spray
PFAS grade
F 45/100
Overall grade
analysis pending
Verdict
pending
Hazard flags
none flagged
Material
Water-repellent coating, composition undisclosed
Confidence
35%
Our pick
Griot's Garage
Griot's Interior Detailer
PFAS grade
A 100/100
Overall grade
A 92/100
Verdict
Buy
Hazard flags
⚑ 2
Material
water-based detergent/cleaner concentrate
Confidence
72%
PossibleSurfactant irritation (skin and eye contact)
PossibleMicrobial growth in diluted solution
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 fabric treatment sprays: see the full ranking