Compatible Replacement Filter Set for Jupiter Ionways ATHENA Water Ionizer 2-pack Compatible Replacement Filters for Jupiter Ionways ATHENA Water Ionizer Made in Korea; Quantity: 1 Sediment filter (1st Position) + 1 Biostone filter (2nd Position) Sediment 4LPM; Biostone 0.1 M/Filtration capacity: 3,000l *These filters are compatible replacements made by Korean OEM manufacturer. NOT fit "Athena H2". Please don't buy this set for "Athena H2" model.