SLF Water Filtration Comparison · 2026
DREO 115
Recommended for shoppers prioritizing countertop convenience, strong feature value and low-maintenance operation over formal NSF/IAPMO certification.
AquaTru Classic
Recommended for shoppers who want robust certified RO filtration without under-sink installation.
AquaTru Classic
Choose AquaTru Classic for certified countertop RO filtration with no plumbing; choose the Alkaline version if remineralization is a priority.
Countertop RO Performance & Ownership
Compare countertop RO capacity, contaminant evidence, certifications, convenience features and ownership cost.
Which Is Right for You?
DREO 115
Best for: Renters, families of 3 to 4, compact kitchens, and shoppers who value autofill pitchers, TDS monitoring and self-cleaning.
Consider if: Avoid Plumbing, Renting, Budget Under $300, Want Remineralization, Want TDS Display
AquaTru Classic
Best for: Renters, Apartments, households wanting countertop reverse osmosis, and shoppers prioritizing broad certified contaminant reduction.
Consider if: Avoid Plumbing, Renting, Want Remineralization
Our Recommendation
DREO 115
A compelling value-oriented countertop RO choice, especially for families, provided verified NSF/IAPMO certification is not a must-have.
AquaTru Classic
One of the strongest premium countertop RO choices for renters and households that prioritize certified contaminant reduction.
The Short Answer
Choose DREO 115 for value, dual autofill pitchers and TDS monitoring; choose AquaTru if third-party NSF/IAPMO certification is the higher priority.
Choose AquaTru Classic for certified countertop RO filtration with no plumbing; choose the Alkaline version if remineralization is a priority.
Water Filter Comparison FAQs
Answers are generated from the current SLF product records for these two systems.
Which is better, DREO 115 or AquaTru Classic?
AquaTru Classic is the overall pick for this specific matchup. Choose AquaTru Classic for certified countertop RO filtration with no plumbing; choose the Alkaline version if remineralization is a priority.
Which system offers remineralization?
Both systems are listed as no for remineralization in the current SLF records.
Do both systems require a plumbing connection?
DREO 115: No. AquaTru Classic: No.
Which system is more renter friendly?
DREO 115: Yes. AquaTru Classic: Yes. Check lease and plumbing-modification rules before installing an under-sink system.
What certifications are listed for these systems?
DREO 115: Product-specific SGS testing reported reductions including lead >98.46%, PFOA/PFOS >98%, fluoride >97.28%, chlorine >99.45%, arsenic >99.65%, mercury >98.34%, chromium >99.28%, nitrate >96.26%, microplastics >99.6% and TDS >98.64%. Manufacturer describes testing as against NSF/ANSI 58 standards. SGS testing is classified by Smart Living Finds as Third-Party Tested rather than Verified certification unless an exact-model certification listing supporting the contaminant claim is confirmed. AquaTru Classic: AquaTru Classic is certified by IAPMO R&T to NSF/ANSI Standards 42, 53, 58 and 401, and NSF/ANSI/CAN 372, for applicable claims. AquaTru states the system reduces 84 contaminants.
How do estimated annual filter costs compare?
DREO 115: $49.99. AquaTru Classic: $103.83. Actual replacement timing and prices can vary.


