How do BRITA filters work? | Did you know the MAXTRA+ filter's Micro Carbon Pearls are made from coconut shells? See how the BRITA MAXTRA+ MicroFlow technology works to reduce... | By
![pcb - How does the Brita water filter pitcher "change filter" indicator work? What is that gold cylinder? - Electrical Engineering Stack Exchange pcb - How does the Brita water filter pitcher "change filter" indicator work? What is that gold cylinder? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/7MxyZ.png)
pcb - How does the Brita water filter pitcher "change filter" indicator work? What is that gold cylinder? - Electrical Engineering Stack Exchange
![Amazon.com: Longlast Replacement Filters for Brita Water Pitchers - 2 Pack : Tools & Home Improvement Amazon.com: Longlast Replacement Filters for Brita Water Pitchers - 2 Pack : Tools & Home Improvement](https://m.media-amazon.com/images/I/81Mg7SFOc3L.jpg)