Caldera @ease SmartChlor Cartridge

@Ease In-Line System Introducing a breakthrough in sanitizing that comes ready to use on select hot tub brands.@ease with the innovative SmartChlor technology and Fresh Mineral Water benefits offers a complete sanitizing system that's time released to meet the demands of any hot tub up to 600 gallons. the result is crystal clear water for weeks at a time using up to 75% less chlorine*! So your hot tub is always ready to use. Cartridge replacement for the following Caldera spa models Caldera Aventine 2010-current Caldera Cantabria 2009- current Caldera C 30 2009 Caldera C45 2009 Caldera Elation 2009-2010 Caldera Geneva 2009-Current Caldera Hawaiian 2009-Current Caldera Kauai 2009-2015 Caldera Makena 2013-2015 Caldera Marino 2010-Current Caldera Martinique 2009-2015 Caldera Moorea 2009-Current Caldera Niagara 2009-Current Caldera Palatino 2010-Current Caldera Salina 2011-2015 Caldera Tahitian 2009-2010 Caldera Tarino 2013-Current Caldera Vanto 2011-Current