Affordable, income generating water filters The Aqusafe water filter is an affordable, income generating water filter designed to meet the needs and budget of people throughout the developing world. With no pumps, electricity, or chemicals, the Aqusafe water filter can treat 1,440 liters of water per day for three years. Poorer customers can become Water Entrepreneurs and generate a supplemental income by selling clean water throughout their community. Because it has the potential to be an income generating product, microfinance banks can give loans to customers who can't afford the full upfront cost. Aqus also offers design/customization services. Politicians can customize the Aqusafe water filter to use for campaign promotion.