New Delhi, Feb. 9 -- For years, 'best RO water purifier' lists have followed a predictable formula of ranking legacy brands by popularity, pricing tiers, or market presence, and assume one model works for most households.

That approach is increasingly outdated.

The water purification category is undergoing a quiet shift. A wave of new-age brands is introducing design-led thinking, smarter filtration logic, improved service models, and technology-driven reliability. The mistake most buyers make today is comparing brand reputations instead ofcomparing how purification systems actually work and what ownership looks like over time. This article moves beyond traditional brand rankings and focuses on a more practical question: Which purifier ...