Check the listing for details. External Dishwasher softener for hard water. Installs in-line before dishwasher. Condition: New. Listed at 68.99 USD. Ideal solution for your dishwasher and hard water Included: (1) 10" Clear Housing 3/4" (2) 10" x 2.5" Softener Cartridges (1) Single Bracket (1) Wrench "HOSE AND 1/2" OR 3/8" ADAPTER NOT INCLUDED" Easy to find at any local hardware store Unique Single stage External Water Softener system for dish washing machines: No more spots on your dishes and glassware Normally installed on In-line before Dishwasher Fits under any sink Handle up to 170 F Degree Instantly transforms hard water into soft water Protect your expensive equipment, or avoid costly repair Removes: calcium, magnesium, iron and certain other metal cations in hard water. Size available: 3/4" (most dishwashers have 3/8" connection but you can add 1/2" or 3/8" adapter to suit need) Easy to use Over a period of time, hard water scale can clog your plumbing which eventually reduces water pressure