Filter Caps is a revolutionary water purification solution designed for vulnerable communities. Measuring only 6x4 cm and weighing 24 g, this innovative device transforms regular bottles into portable water treatment systems, removing impurities and heavy metals while improving pH. Made with 3D additive technology and sustainable materials such as corn starch, Filter Caps offers an affordable and eco-friendly alternative to address the global safe water crisis. Since its launch, it has impacted remote communities in Latin America, improving public health and reducing waterborne diseases.