Compact under-sink iron filter cartridge uses KDF-85 and catalytic carbon to reduce iron

https://andreuxci478.wpsuo.com/iron-filter-system-101-what-it-is-how-it-works-and-why-you-need-one

Compact under-sink iron filter cartridge uses KDF-85 and catalytic carbon to reduce iron and rotten egg smell; quick-change housing, 3/8-inch push-connect fittings, and 0.5 micron rating integrate with ice makers and espresso machines.