The Pro-Clarity disposable Depthload Cartridge is used on 2015 and later J 585 and J-575 Jacuzzi Models. Also used on 2012 J-460 Jacuzzi Models. Used on 2012 J-495,J-425, J-415 Jacuzzi Models. Used on all 2012 J-480, J-470, and J-465 Jacuzzi Models. Used on all 2013 and later 400 Series Jacuzzi models.