A Brazilian clay water filter. Considered one of the best water filters in the world. Dated 1947, this is able to keep the water -3/5 º C cooler than ambient temperature. It's
Brita Wasserfilter Marella Oder 3er-pack Powerfilter Maxtra+ Angebot bei Netto
Brita Premium Filtering Water Bottle with Filter, BPA-Free, Sapphire, 768 mL : Amazon.ca: Sports & Outdoors