The Hydrotech SL10 is the correct replacement filter for the following water filter systems:
The Scaleless SL10 10" Replacement Scale Filter is a replacement water filter cartridge that prevents lime scale build-up and reduces water hardness. This replacement SL10 filter fits the Hydrotech SL10-1 water filtration system. This hard water filter measures 10 inches in length and has a 1 gallon per minute flow rate. This scale reduction filter should be replaced annually.
Scaleless SL10 10" Replacement Scale Filter specifications: