Frequently asked questions

WHICH Contaminants does Oystera filter?

Oystera’s multi-stage system filters microplastics, PFAS, lead, chlorine, heavy metals, bacteria, and other common contaminants found in drinking water. The result is cleaner, fresher-tasting water wherever you are.

How is Oystera different from other filters?

Unlike straw-based or press filters that require effort to use, Oystera purifies water automatically at the press of a button. No suction, no squeezing, and no pouches. The design allows you to sip, pour, or share easily, combining effortless use with advanced purification and trusted safety.

Are the filters certified?

Yes. All Oystera filters are independently tested by accredited external laboratories according to international standards. A link to the full test documentation and results will be available at launch.

How do I know a filter is authentic and safe?

Every Oystera filter is embedded with a unique tag that your bottle automatically reads and verifies before use. This smart authentication ensures only genuine, certified Oystera filters are recognized, protecting you from counterfeit or uncertified alternatives and guaranteeing the highest level of safety and performance.

How long does the filter last?

Each filter provides up to 150 litres of purified water. The bottle will notify you when it’s time to replace the water filter.

How do I know when to change the filter?

Your bottle reminds you automatically. A built-in indicator tracks usage and alerts you when the filter has reached the end of its lifespan.

How long does the battery last?

A single charge powers more than 100 purification cycles. The battery is USB-C rechargeable and designed for years of reliable use.

Can I replace individual parts?

Yes. In line with Oystera’s commitment to sustainability, every component, from seals to bottles to filter housings, can be replaced individually. This extends the product’s life and minimizes waste.

Can I use Oystera for kids?

Yes. Oystera’s effortless purificationsystem is purposely designed and convenient for children and families. There’s no suction or pressure required, ensuring easy and effortless usage for all ages.

Is it safe to use while traveling?

Absolutely. Oystera is built for everyday use and travel alike. It purifies water from taps, fountains, and natural sources, helping you stay hydrated safely wherever you go.

Can I add supplements or flavor drops?

Yes. Because filtered water collects in the inner bottle, you can add vitamins, electrolytes, or flavor drops without affecting the filter’s performance or hygiene.

What inspired the name Oystera?

The name comes from nature’s own filter: the oyster. A single oyster can filter up to 200 litres of seawater every day, naturally cleansing its environment. Oystera brings that same principle of purity and balance to your everyday drinking water, one sip at a time.

Who is behind Oystera?

Oystera was founded by Anita, a mother, nature enthusiast, and yoga lover who believes that small, mindful choices can create a cleaner future. The idea began during a family vacation, where she saw firsthand how much the ocean had changed. That moment sparked a journey of research into everyday water quality and the hidden contaminants in what we drink. Oystera grew from this realization, combining advanced filtration with timeless design to make pure, safe water effortless for everyone.

Where is Oystera based?

Oystera was founded in Singapore, a city known for its focus on sustainability, innovation, and design. Our global partnerships combine European design principles with Asian precision and sustainability.

What does Oystera stand for?

Oystera stands for purity, simplicity, and purpose. Inspired by the oyster’s natural ability to restore balance to the ocean, we aim to make clean water accessible while reducing plastic waste and promoting mindful living.

What makes Oystera different as a brand?

Oystera blends science, design, and responsibility. Every product is independently tested for safety, thoughtfully designed for real life, and created with sustainability in mind, proof that innovation and integrity can coexist.

Is Oystera committed to sustainability?

Yes. Sustainability guides every decision we make. From modular components and recyclable packaging to supporting clean-water and ocean-restoration projects. Our goal is to leave the planet better than we found it.

Does Oystera support any causes?

A portion of proceeds support clean-water and ocean-cleanup initiatives. These partnerships reflect our belief that protecting what we drink begins with protecting where it comes from.

Will Oystera offer other products in the future?

Yes. The Oystera bottle is just the beginning. We’re exploring a range of products built around the same principles of purity, performance, and purpose, designed to make everyday living cleaner and simpler while reducing the impact of microplastic on humans and nature.