. NOTE: THIS FILTER HOUSE IS ALSO USED IN ACS 6000AD/SD. THE ALTERNATIVE PART NUMBER HL001434P0001. 14.4.2004/GI PLEASE NOTE THAT THERE IS NO FILTER CARTRIDGE INSIDE THE FILTER HOUSE SW-2560081. THE FILTER CARTRIDGE CODE NO. FOR THE ABOVE FILTER HOUSE IS SW-2500021. THIS SHOULD BE ORDERED SEPARATELY, IF NEEDED. 23.06.2004/GI