Active Charcoal Water Filter & Coil

Ideal for those wanting better-tasting water and to reduce waste, this filter comes with no extra plastic packaging. It also provides a natural way to cut down on single-use bottled water, helping users make a smarter choice for the planet.

Every Black+Blum purchase contributes to positive change. As part of the 1% for the Planet initiative, the brand donates 1% of every sale to organisations tackling food waste. These efforts support over 375 community partners, including food banks and soup kitchens, redistributing meals to those in need while reducing greenhouse gas emissions from landfill waste. Plus, their innovative products also help reduce food waste at home, making meal-prepping and storing leftovers more sustainable and convenient.

Founded by Dan Black and Martin Blum over 20 years ago, Black+Blum is a UK-based brand known for innovative, eco-conscious food containers, drinkware, and accessories. Designed with reuse and sustainability in mind, each product is thoughtfully crafted in-house using durable, eco-friendly materials where possible. With over 25 global design awards and a presence in 60+ countries, Black+Blum blends style and function to inspire sustainable living and create products people love to use and proudly own.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.

Shipping

At Healf, we prioritize safe and fast delivery for all our customers. Our carefully selected couriers are Royal Mail and DPD.

UK standard delivery

Enjoy free standard delivery on orders above £50, this option usually requires 2-3 working days. If your order is under £50, this delivery option is available for £3.99.

Next working day

For when you need our products urgently, we offer next working day shipping for £5.99. For orders placed before 12.00, we will ship it the same day to ensure you receive your order the next working day.

International

International deliveries can take 7 working days, and up to 4 weeks. The cost is £22.99 for orders below £50, £49.95 for orders above.

Returns

If for any reason you are not satisfied with your order, we provide free 365-day UK returns for all our customers. To initiate your return, simply contact us at team@healf.com, and we'll send you a return slip and help arrange a collection. The item you return must be sent in the same condition as received and inside the original packaging. Once received, we will notify you via email.

For international returns, we unfortunately do not cover the cost. However, we work with an array of carriers and can offer self-posting returns for customers shopping from outside the UK.

-Pre-washed and ready to use.

-Can be used in any jug or bottle (*minimum spout opening 30mm / 1.2in).

-Charcoal is an incredibly dense material, so please take care when dropping into glass bottles & jugs. It is recommended to only add once bottle/jug is full.

-Store in a cool place and avoid direct sun light on your bottle/ jug. Consume the filtered water within 24hrs.

-This will filter about 1.1L of water for 3 months if used every day. Afterwards, you can just boil it for 10 minutes to ‘recharge’ the charcoal, and then use it for another 3 months.

-This charcoal is made from natural wood sticks and dimensions vary (15 to 28mm diameter, maximum length 118mm).