Portable Cap for Clean Water

Portable Cap for Clean Water

Access to safe drinking water remains a global challenge. Traditional filtration systems are often costly, bulky, or unavailable in remote areas. Filter Caps introduces a solution: a portable water filter cap that purifies and enhances water instantly using any standard plastic bottle.

This compact device is engineered for both convenience and impact. Whether you’re hiking in the mountains or working in crisis response, Filter Caps offers a reliable, sustainable way to access clean drinking water.

What are Filter Caps?

Filter Caps is a compact water purifier designed to fit any bottle with a PCO 28 mm thread, the global standard. It weighs only 24 grams and measures just 6 by 4 centimeters. Inside, it houses a 3D-printed structure made from biodegradable materials such as sweet-corn starch resin, infused with minerals and natural filtering elements.

As water passes through, the cap filters out impurities, raises the pH level, adds hydrogen, and infuses essential minerals, creating safer, healthier water in seconds.

Key Features and Benefits

Instant Filtration and Mineralisation

Filter Caps filter harmful contaminants while enhancing water quality. It removes up to 90% of heavy metals and reduces turbidity by 70%. At the same time, it mineralises the water for improved taste and hydration.

Eco-Friendly and Biodegradable

Unlike conventional filters made from plastic and synthetic parts, Filter Caps uses sustainable, biodegradable materials. This makes it ideal for long-term environmental impact reduction.

Universal Compatibility

The cap fits any bottle with a PCO 28 mm thread commonly found on soft drink and water bottles worldwide. No special equipment, tools, or learning curve required.

Lightweight and Travel-Ready

Designed for mobility, this water filter for travel is ideal for hikers, humanitarian workers, and remote field operators. It fits easily into pockets, kits, or backpacks without adding weight.

Real-World Impact

The product has already been deployed in underserved communities across Latin America, helping reclaim large volumes of water and providing a scalable model for humanitarian aid and emergency response.

 

Ideal Applications

• Disaster relief and emergency zones
• Outdoor and adventure travel
• Rural schools and clinics
• Non-governmental organizations (NGOs)
• Military or field operations in low-infrastructure areas

 

How It Works

1. Attach Filter Caps to any clean PCO 28 mm bottle.
2. Fill the bottle with untreated water from a nearby source.
3. Drink directly through the cap.
4. Replace the cap based on recommended usage limits.

There is no need for batteries, pumps, or chemical additives, making it a true emergency water filter cap for on-demand use.