Guidelines
The guidelines are nonspecific and advisory, allowing for interpretation and alternative solutions. They are appropriate for a range of interests and organizations and include:
- Technical recommendations (flow rates, residual disinfectant concentration).
- Product design guidance (usability, materials, aesthetics, and configuration).
- Strategic recommendations (differences in consumer preferences by segment or geography, channel-dependent design, cost/feature trade-offs).
- Links to additional sources where available.
- Product format
- Water storage capacity
- Overall height
- Footprint
- Height of safe water tap
- Shipping volume
- Water head height
- Pre-filter design
Durability, reliability, and storage
- Durability
- Life of filter element
- Routine cleaning
- Status indicator
- End-of-life indicator
- Operating environment
- Shelf life: fast-moving consumer goods
- Shelf life: durable device and filter element component
- Wait time
- FMCG batch treatment time
- Turbidity reduction
- Device-to-water-source compatibility
- Microbiological efficacy
- Residual disinfection
- Time between maintenance: routine
- Time between maintenance: filter element replacement
- Filling
- Dispensing
- Operation
- Assembly/disassembly
- Routine cleaning
- Periodic maintenance
- Accessibility
- Operational feedback