Thank you for your inquiry.
Please click the links below for the Salt-Free Water Softener and Well Water Filter Combo
https://cdn.shopify.com/s/files/1/0012/7349/5599/files/CS-AIO_Plus_Prog_Guide_Programming_Guide.pdf?v=1617370513
https://cdn.shopify.com/s/files/1/0012/7349/5599/files/RKIN_OnliSoft_OS_Saltless_Water_Softener_Manual.pdf