The Offgrid FinalStage RO unit delivers exceptionally high-quality drinking water in a compact, efficient package. Designed to work seamlessly after the Offgrid StageOne or StageTwo systems, it significantly enhances water purity while extending the life of upstream filters. A pre-filter is required before RO operation, and the unit can also be used with standard domestic mains water.
Using advanced reverse osmosis, the FinalStage RO removes chlorine, fluoride, nitrates, heavy metals, viruses, cysts, bacteria and hundreds of other contaminants. The water is then remineralised using an alkaline post-filter, giving it a clean, fresh taste while restoring beneficial minerals.
The unit includes its own dedicated drinking-water tap (requires a 23mm hole for installation) and is ideal for boats, off-grid homes, workshops, cabins, RVs, utility rooms and domestic kitchens.
Specification
Source water purified: Water purified by StageOne + StageTwo, stagnant tank water, or mains
Power use: 230V 3-pin plug, 75W (1.4W standby)
12V option: Yes
Dimensions: W14cm × D45cm × H40cm
Weight: 10kg
Weatherproofing: Indoor use only
Flow rate: 1.6 litres per minute
Filters: 2 × long-life cartridge filters
Filter change frequency: 12–24 months
Running costs: £70–£90 per year
Warranty: 2 years
Lead time
Please note: Due to batch production and configuration requirements, lead times are typically 2–3 weeks.
