Clean & Clear cartridges. fc-1975, fc-1976, fc-1977, fc-1978, aka C-7469, C-7470, C-7471, C-7472  Locally sourced.  Please realzie these come in different sizes...compare the lenght of cartridge to your current ones if not sure.  all our cartridges are remay.  This is not the case with most internet cartridges and we have seen a large reduction in longevity. in those types. prices are per cartridge.