1. Household Users (Core Group)
- Families, homeowners, renters, and elderly users
- Users in areas with aging pipelines, tap water secondary pollution
- Parents needing clean water for baby formula, cooking, drinking
- Families focused on daily safe drinking water & health protection
2. Public & Commercial Users
- School hospital factory bank company hotels, guesthouses, cafes, shops, garages
- Temporary offices, construction sites, mobile workstations
- Community centers, clinics, schools, and public service areas
- Users needing low‑cost, maintenance‑free public water purification
3. Outdoor & Mobile Users
Campers, hikers, fishing, hunting, and adventure enthusiasts
- RV, van, and off‑grid travelers
- Users seeking portable, pump‑free, no‑power water treatment
4. Remote & Off‑Grid Areas
- Villages, islands, pastoral areas without centralized water supply
- Well water, river water, groundwater users in Africa, Southeast Asia, Middle East
- Communities with high bacteria, arsenic, fluoride, or heavy metal risks
5. Emergency & Disaster Relief Teams
- Emergency rescue, disaster response, and humanitarian aid organizations
- Users facing earthquakes, floods, typhoons, war, or water supply breakdown
- Anyone needing life‑saving portable water purification
6. Preparedness & Institutional Users
- Emergency preparedness families, survivalists
- Temporary camps, field bases, military stations
- NGOs and projects focused on safe drinking water for underserved regions
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