3M Aqua-Pure Undersink Water Filters

This page lists genuine 3M Aqua-Pure under-sink cartridges by the system they fit. The C-Complete fits AP Easy Complete and AP Easy LC systems. The AP-DW80/90 set fits the AP-DWS1000. The 3MROP411, 3MROP412, 3MROP416 and 3MROM413 serve 3MRO401 and 3MRO501 reverse osmosis systems.

Full-flow vs reverse osmosis cartridges

Aqua-Pure full-flow cartridges and Aqua-Pure reverse osmosis cartridges are separate products. The AP217 for the AP200 is a full-flow, 5-micron cartridge. The 3MROP411, 3MROP412 and 3MROP416 cartridges and the 3MROM413 membrane serve the 3MRO401 and 3MRO501 RO systems. See all 3M Aqua-Pure RO filters.

Common questions

Which 3M Aqua-Pure cartridge fits my system?

The 3M Aqua-Pure cartridge you need depends on your system's model number. The C-Complete fits AP Easy Complete and AP Easy LC systems. The AP-DW80/90 set fits the AP-DWS1000. The AP217 fits the AP200.

How long do Aqua-Pure filters last?

Aqua-Pure filter life depends on the system. The AP-DWS1000 shuts off at 625 gallons to signal a cartridge change. On 3MRO401 and 3MRO501 systems, the cartridges last 12 months and the 3MROM413 membrane lasts 36 months.

How do I change a 3M Aqua-Pure under sink filter?

The steps for changing a 3M Aqua-Pure under-sink filter differ by system, so follow the instructions in your system's manual. Have the replacement cartridge for your system on hand before you start.

Looking for other Aqua-Pure products? See our 3M Aqua-Pure inline filters and 3M Aqua-Pure whole house filters, or browse all under sink water filter replacements.