AO Smith Item 960787 brand new sealed AO-4000-Carbon Clean Water Filter Carbon & Claryum replacements. For use with AO-US-RO-4000 Clean Water Filter with RO Boost system. *Please photos provided as it is exactly what buyer will receive and nothing more. *Please ask any questions prior to purchase. Will ship next business day of received payment. *Check my other listings for the matching AO-RO-RM-R Membrane And Remineralizer Replacements Item 960788