SLF Water Filtration Comparison · 2026
BOROUX Legacy
Recommended for households wanting premium, installation-free gravity filtration.
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.
Water Filtration Performance & Ownership
A fast side-by-side look at filtration, installation, capacity, certifications and ownership cost.
Which Is Right for You?
BOROUX Legacy
Best for: Families, Renters, and households wanting high-capacity gravity filtration without installation.
Consider if: Limited Counter Space, Avoid Plumbing, Renting
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
BOROUX Legacy
Strong premium choice for families and renters who prefer gravity filtration over plumbed or powered systems.
AquaTru Classic
One of the strongest premium countertop RO choices for renters and households that prioritize certified contaminant reduction.
The Short Answer
Choose it for high-capacity gravity filtration without plumbing; add Proactive Filters if fluoride reduction is a 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, BOROUX Legacy 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?
BOROUX Legacy: No. AquaTru Classic: No.
Which system is more renter friendly?
BOROUX Legacy: Yes. AquaTru Classic: Yes. Check lease and plumbing-modification rules before installing an under-sink system.
What certifications are listed for these systems?
BOROUX Legacy: WQA certified to NSF/ANSI 42, NSF/ANSI/CAN 401, and NSF/ANSI/CAN 372. AquaTru Classic: AquaTru/retailer materials state the Classic is independently certified by IAPMO to NSF standards for reduction of 84 contaminants.
How do estimated annual filter costs compare?
BOROUX Legacy: $139.00. AquaTru Classic: $103.83. Actual replacement timing and prices can vary.