The Omnipure OMB-934-1ML Chloramine is a 1 micron absolute so it is 0.4 nominal chloramine, rated for heavy metals and cysts, the Omnipure OMB-934-1ML-chloramine catalitic extruded activated carbon cartridge to remove the chloramines, rating for treatment of Giardia and cryptosporidium cysts as well as lead and other heavy metals treatment.
1 pair is 1 x 1 micron Polyspun sediment filter and 1 x Omnipure OMB-934-1ML Chloramine