Check the listing for details. Fits Culligan RO Filter Set Membrane AC-30 Reverse Osmosis System 3/8 Inline. Condition: New. Listed at 38.80 USD. Culligan AC15 and Culligan AC-15 Replacement/Compatible Culligan Compatible Reverse Osmosis SystemCulligan AC-15 Replacement Filters and MembraneFILTERS ONLY, SYSTEM NOT INCLUDEDFREE SHIPPINGStage 1 - Culligan AC-15: Culligan Compatible Pre-Filter; Culligan Compatible 01-4015-38, 00-0001-20, 4412-75, 4496-27, S7011C, 4485-44, 4496-27 Culligan AC30 Reverse Osmosis System Pre-Filter Stage 2 - Culligan AC-15: Culligan Compatible Pre-Carbon Filter; Culligan Compatible 01-0125-80, 00-0011-38, 01-0042-91, 01-0000-78, 4027-96, 4487-63, 4496-28, 4487-62 Culligan AC30 Reverse Osmosis System Pre-Carbon Filter Stage 3 - Culligan AC-15: Culligan Compatible TFM-36-A Reverse Osmosis Membrane 36 Gallons Per Day RO Membrane; Culligan Compatible 01-0001-45, 01-0074-02, 01-0074-03, 4493-72 Culligan AC30 Reverse Osmosis System RO Membrane Stage 4 - Culligan AC-15: Carbon Filter 3/8" Inlet/Outlet with 3/8" Quick Connects..Most AC-15 models use 3/8" Inlet/Outlet.A few AC-15 models use the 1/4" Inlet/Outlet -------(3/8" QC comes with package unless stayed in thee notes otherwise)Post-Carbon Filter; Culligan Compatible 01-0042-91 Culligan AC30 Reverse Osmosis System Post-Carbon FilterCulligan Compatible AC-15 Aqua Cleer Reverse Osmosis System Compatible Filters:The Culligan AC-15 RO System contains three replacement filters and one membrane. Click on the filter name below to learn more about each filter.The Culligan AC-15 Aqua Clear reverse osmosis system first stage starts on the left in the picture on the left.The Culligan Good Water Machine AC-15 has a sediment stage, pre-carbon stage, membrane stage, and post filter carbon stage.Reverse Osmosis water is ideal for coffee, tea, soup, juice, recipes, baby formula, houseplants, pets, pasta, ice cubes, steam irons, drink mixes, and everything you make with water.I ONLY SHIP IN THE USA