DetailsPentek QC10 EPR #155962 Replacement Quick Change Water Filter. 5 micron carbon block, high quality water filter. Sediment, Taste and Odor reduction carbon block water filter. 1,500 Gallons. Fits IC-750, SY-750s, RV-750, IC-1000, SY-1000, SY-1000s & RV1000. Upgrade to a carbon block in place of the Culligan IC-1000R replacement water filter.