WHKF-WHWC Filters

[QuickN]

We purchased the last water filteration system last week; they didnt have any charcol filters as I listed for the title. It seems they dont sell these anymore, I would guess Whirlpool had these made and they are some type of standard size but couldnt find the replacement listed as it calls for this WHKF-WHWC filter it was one letter from the cheaper model which uses the WHEF-WHWC, we like the way this filter system screws together better than the cheap model as it goes up the side with a clear housing and it unscrews easily compared with the cheaper model; can you provide a replacment filter or manuf of this system?

Thanks
Mike