1.Carbon Block,In-line GAC Carbon 2.Size:40*18*46,UF Membrane 3.5 Stage UF Systme,5 Micron Sediment 4.All Hardware Included UF Water Filter SystemEVIA UF systems use membrane technology with low pressure semi-permeable membrane to separate polymer substance with ultra filtration membrane technology,suspended substance ,contaminant,colloid,bacteria,rest,variegation can be easily & efficiently ...