Minus 浄水フィルター by Anastasia Klimova is a highly esteemed winner of the very prestigious 2021 A' Design Award 鉄賞 in サステナブル製品・プロジェクト・グリーンデザイン Competition Category.

鉄サステナブル製品· 2021

Minus 浄水フィルター

by Anastasia Klimova

Client: Anastasia Klimova

A' Design Award 鉄賞 Winner in サステナブル製品 Category

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Colors

The Design

About Minus 浄水フィルター

Minusは、繰り返し使えてゴミを出さない、持ち運び可能な水道水用浄水フィルターです。Minusは水道の水圧を利用して水をヤシ殻活性炭のフィルターに通し、化学物質や細菌、におい��取り除きます。本体はステンレススチール製で、濡れた状態でも滑りにくいようラバーコーティングを施しています。フィルター内部の天然インディゴ染料は使用とともに少しずつ流れ落ちるため、交換時期がひと目で分かります。使用済みフィルターは郵送で返却でき、洗浄・再充填のうえ再利用されるため、使い捨てフィルターのような廃棄物が発生しません。

The Recognition

About the A' Design Award 鉄賞

Minus 浄水フィルターは、よく設計された創造物に期待される専門的・産業的要件を満たす優れたデザインに授与される、権威ある評価である A' Design Award 鉄賞の受賞作品です。鉄賞の受賞作品は、制作者の高い技量、高度な専門性、専門家としての理解、創造的な能力を示しています。Minus 浄水フィルターは、高く評価され、称賛され、愛される、実用的で革新的な創造物であることが期待されます。この A' Design Award 鉄賞を受賞したデザインは、業界のベストプラクティスを統合し、ノウハウと才能に結びついた有能な技術的特性を備えています。Minus 浄水フィルターは、その徹底ぶりで尊敬され、世界をより良い場所にするための生活の質の向上をもたらすよう設計されています。

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: Minus is a zero-waste tap water filter that fits in your pocket. It uses tap pressure to push water through the filter, instantly cleaning it from chemicals, bacteria and odour. Filter's natural indigo colourant washes out with use to let the user know when their filter needs replacement, eliminating any guesswork. Combined with easy filter return service (drop off at any post box) followed by recharge and reuse, Minus is the first water filter designed to be truly circular and sustainable.
Dimensions & Packaging: Minus size: 190mm x 37mm x 53mm
Filter size: 80mm x 35mm x 35mm
Box size: 350mm x 100mm x 47mm
Tags: circular design, sustainability, water, filter, zero-waste, reuse, activated charcoal, plastic pollution, portable, travel
Production Technology: Minus is made of durable stainless steel that is rubber-coated for better grip when wet. Both lids are food-grade rubber. Inside there is precision-manufactured seal designed to fit all common tap sizes. Filter media is made of activated coconut charcoal infused with silver particles to prevent bacterial growth. Carbon is wrapped into the ion-exchange textile for enhanced filtration. Carabiner and front part of Minus body feature threaded fastening and are removable for easy cleaning.
Design Challenge: Designing a simple visual way of communicating that filter has reached its capacity, instead of relying on generalized time periods that are currently an industry-standard, was a challenge. It took a lot of research and prototyping, exploring various materials as well as mechanical, non-mechanical and electronic means of counting water volume to land on the beautifully natural solution of indigo colourant.
Research: Market analysis, user interviews, shadowing, and user testing fueled the design process. My goal was to identify pain points in scenarios when users try to stay hydrated in areas with contaminated water. It helped to fuel brainstorming sessions. I have interviewed people who live in these areas and those who travel there. The users have ergonomically tested several functional prototypes. As a result, an unmet need for a portable zero-waste filter that could be used on the go was uncovered.
Inspiration: In 187 countries, tap water is hazardous for citizens or visitors. It can contain chlorine, lead and bacteria that cause long-term health damage. Available filtration solutions are incredibly wasteful: discarded filters can not be recycled and often become toxic waste, leaking chemicals into the environment. It arguably makes them worse than plastic bottles. I wanted to create a truly sustainable water filter by applying the principles of the circular economy to enable reuse and recycling.
Project Duration: The porject started in April 2020 in Mosocw, Russia, and finished in June 2020.
Operation Flow: 1.Find a tap, turn on the water;
2.Open Minus's both lids, prepare the bottle;
3.Press Minus against the faucet, wait for 5-10sec;
4.Put the bottle against the edge of the sink. It takes around 10sec to fill a 0.5l bottle;
5.When the bottle is full, remove everything from the tap. Turn off the water;
6.Turn minus upside down and shake to remove all the excess liquid;
7.You can now enjoy clean water!
8.If Minus is not in use for more than three days, disassemble it and let the filter dry to prevent degradation