Culligan RO Replacement Filters & Membranes

Each Culligan system takes its own filters. Start with your model number, which is usually on a label on the side or top of the system, then choose the set made for it.

• Culligan AC-30: AC-30 filter set with membrane · AC-30 double-end filter set · replacement membrane (AC-30 / AC-15)
• Culligan AC-15: AC-15 filter set with membrane · replacement membrane (AC-30 / AC-15)
• Culligan AC-50: AC-50 filter set with membrane
• Culligan H-52 and H-53: H-52 / H-53 filter set with membrane

Single replacement cartridges and membranes are also listed below. Check that the size and model in each product title match your system before ordering. Not sure? Call (714) 541-6600 with your model number and we'll match it for you.

Stage-by-stage fit guides: AquaCleer (AC-30 / AC-15) · AC-50 · H-52 / H-53 · WH-S200-C · WH-A200-C · WH-HD200-C. See all 154 systems.

These are compatible aftermarket replacements made to fit Culligan systems. Isopure Water is not affiliated with Culligan.