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 Smart
Recommended for shoppers who want AquaTru's certified countertop RO filtration plus meaningful smart monitoring rather than paying extra for connectivity alone.
AquaTru Classic Smart
Choose Classic Smart over Classic if TDS readings, filter tracking and app alerts are useful to you; choose Classic Smart Alkaline if you also want remineralization.
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 Smart
Best for: Tech-focused households, Renters, countertop RO shoppers, and buyers who value real-time water-quality and filter-life monitoring.
Consider if: Avoid Plumbing, Renting, Want Remineralization, Want TDS Display
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 Smart
One of the strongest smart countertop RO options for households that want certified filtration and ongoing visibility into water quality and maintenance.
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 Classic Smart over Classic if TDS readings, filter tracking and app alerts are useful to you; choose Classic Smart Alkaline if you also want remineralization.
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 Smart?
AquaTru Classic Smart is the overall pick for this specific matchup. Choose Classic Smart over Classic if TDS readings, filter tracking and app alerts are useful to you; choose Classic Smart Alkaline if you also want remineralization.
Which system offers remineralization?
Both systems are listed as no for remineralization in the current SLF records.
Which system has the lower MSRP?
DREO 115 has the lower MSRP in the current SLF records at $249.99, compared with $525.00 for the other system.
Do both systems require a plumbing connection?
DREO 115: No. AquaTru Classic Smart: No.
Which system is more renter friendly?
DREO 115: Yes. AquaTru Classic Smart: 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 Smart: AquaTru performance data lists Classic-family models as certified by IAPMO R&T according to NSF/ANSI Standards 42, 53, 58, 372 and 401 for specified reduction claims.
How do estimated annual filter costs compare?
DREO 115: $49.99. AquaTru Classic Smart: $103.83. Actual replacement timing and prices can vary.