![Amazon.com: Brita Standard Water Filter, BPA-Free, Replaces 1,800 Plastic Water Bottles a Year, Lasts Two Months or 40 Gallons, Includes 1 Filter, Kitchen Essential: Pitcher Water Filters: Tools & Home Improvement Amazon.com: Brita Standard Water Filter, BPA-Free, Replaces 1,800 Plastic Water Bottles a Year, Lasts Two Months or 40 Gallons, Includes 1 Filter, Kitchen Essential: Pitcher Water Filters: Tools & Home Improvement](https://m.media-amazon.com/images/S/aplus-media/vc/174433c2-948c-4d5d-8b48-51a0f38dc42d._SL300__.jpg)
Amazon.com: Brita Standard Water Filter, BPA-Free, Replaces 1,800 Plastic Water Bottles a Year, Lasts Two Months or 40 Gallons, Includes 1 Filter, Kitchen Essential: Pitcher Water Filters: Tools & Home Improvement
![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: Brita Elite Water Filter, Advanced Carbon Core Technology Reduces 99% of Lead, Replacement Filter for Pitcher and Dispensers, Made Without BPA, 1 Count (Package May Vary): Home & Kitchen Amazon.com: Brita Elite Water Filter, Advanced Carbon Core Technology Reduces 99% of Lead, Replacement Filter for Pitcher and Dispensers, Made Without BPA, 1 Count (Package May Vary): Home & Kitchen](https://m.media-amazon.com/images/I/91EjDtXFhaL._AC_UF350,350_QL80_.jpg)
Amazon.com: Brita Elite Water Filter, Advanced Carbon Core Technology Reduces 99% of Lead, Replacement Filter for Pitcher and Dispensers, Made Without BPA, 1 Count (Package May Vary): Home & Kitchen
![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/2hrH2.jpg)
pcb - How does the Brita water filter pitcher "change filter" indicator work? What is that gold cylinder? - Electrical Engineering Stack Exchange
![Fact or Fiction: Do Brita Filters really work? | SiOWfa16: Science in Our World: Certainty and Controversy Fact or Fiction: Do Brita Filters really work? | SiOWfa16: Science in Our World: Certainty and Controversy](https://sites.psu.edu/siowfa16/files/2016/09/britachart-1wed4mu.png)