Search·3M
When you know your system or housing model number, this page lists the replacement cartridges we match to it—compare length, diameter, and micron rating before you order.
Brand
3M
Model AP801
3M Aqua-Pure whole house water filter system
Series: Aqua-Pure
These cartridge numbers are matched to this system model in our reference. Compare length, diameter, and micron rating with the filter you’re removing or your housing specs before ordering.
Your replacement
AP810
3M Aqua-Pure sediment replacement cartridge
Replace about every 6 months
AP810 is the part shown first for model AP801; match that part number before checkout.
Why this part
- 1 mapped replacement cartridge option for this whole-home system model in our reference
- Notes available for this part
- When a BuckParts Verified Link appears below, we checked that retailer product page against this part number. Compare it with your old filter before ordering.
Replacement cartridge fit for this system model is based on our reference data.
BuckParts Verified Links
A place to buy that BuckParts has checked against the part, listing, and evidence we trust. Not every filter page has one—we only show a link when our checks clear for this part number.
Shown as a BuckParts Verified Link after we checked the product page against this filter number (2026-04-23).
All details for this part (notes, compatible models, BuckParts Verified Links when listed)
Notes & next steps
Search again if you need a different model or part number.
AP810 is the common OEM sediment replacement; verify model sticker on installed head.