Convert you current skimmer to the new style Active Skimmer used on the new Arctic Spas. This Active Skimmer will allow greater variations in water depth while still skimmer the water. It also creates a more positive seal between the filter and the skimmer basket. This kit is super easy to install and includes a new Silver Sentinel Maintenance Free Filter. You can use this conversion kit on all Arctic Spas from 2002 through 2008.