PUR Advanced Faucet Water Filter - Silver FM-4100B Simple 1-click establishment makes it simple to evacuate and supplant when you require additional room in the sink. Filter removes 99% of lead and 96% of mercury along with many other contaminants MineralClear filters water over natural minerals for a crisp, refreshing taste Only available with Advanced and AdvancedPlus Faucet Water Filters 360-degree swivel permits it to fit well in many sinks. Worked in electronic channel life pointer lets you know when the channel should be changed.