The evolution aqua kadvanced 20 is a pressure filter that offers a high standard of pond filtration. It is easy to operate, economical to run and is designed to deliver exceptional water clarity.evolution aqua products are generally very reliable and this range of filters definitely fits that bracket! The kadvanced filters are built to last and put through rigourous testing as a standard part of the manufacturing process, ensuring they pass all quality checks that are put in place.k media was first launched in 2019 and is able to filtrate particles down to 1 micron. It is designed to help maximise flow through the filter and also matures faster than other types of bio media, which contributes to the overall dependabilty of this filter.