Chanson Violet Counter Top Water Ionizer Chanson Counter Top Water Ionizer Easily change filter cartridge. Filter Life is 20,000 Liters depending on water quality Easy installation of unit next to or over the sink; Wall mount option Self Clean Function; Auto Adjust Function; Auto Shut off Function Levels pH Levels (dependent on source water) 3.4 to 10.7 ORP Range (dependent on source water) positive 1,000 to negative 825