Biodegradable bamboo charcoal water filters. Reusable, then compostable and zero waste. Suitable for a 1 litre jug of water. A pack of 4 packed in a reusable natural cotton bag.
Place the filters in jug or bottle filled with tap water and they will slowly filter out impurities such as chlorine and chloramines.
Compostable at the end of their life but also can be reused in many useful ways throughout your home.