The Alter Ego filtration technology provides the highest reduction of contaminant's rate. The Outdoor filter cartridge removes everything (up to 99.99%) from chlorine, heavy metals, agricultural run-off and industrial waste to micro-organisms like Giardia and Criptosporidium.
Attached is the Alter Ego Reduction Comparison Chart that you can consult to see how we do on specific contaminants and compared to the competition.