Inline window cleaning water softening cartridges are filled with high purified nuclear grade ion exchange resin to deliver high purity water with minimum TOC background.Use this cartridge in the window cleaning can reduce water stains and greatly improve the cleaning effect. Inlet/outlet port size: 1/4â?? or 3/8'' easy to connect push in fitting connection for easy connections to existing RO or Filter fitting and hose. Can easily be connected to residential RO systems. Other applications: Home Drinking Water Whole-House Filtration Aquarium Point of Use (POU) RO Systems Laboratories Health&Cosmetology Aquarium&Cultivate Dental offices For detailed information welcome to contact us or leave a inquiry!