Find your system’s exact model on its label. Match it below to see the right part, what the pack includes and what to check before ordering.
Which model do you own?
Exact part matches currently cover these 7 configurations. SpringWell parts require the listed system size and housing match. If yours is different, use its manual or ask the maker. Do not choose the closest-looking model.
iSpring RCC7P-AK Pumped Alkaline RO
Check prefilters + alkaline filter
Check at six months. iSpring gives a 6–12 month range depending on use and water. The F9K pack covers multiple changes and does not include an RO membrane. Do not replace every part just because this check is due.
Check at six months. iSpring gives a 6–12 month range depending on use and water. The F9K pack covers multiple changes and does not include an RO membrane. Do not replace every part just because this check is due.
For a compatible pitcher with the blue Elite OB06 filter—not Standard. Replace at 120 gallons or about six months; heavy use reaches the gallon limit sooner. This link is a 2-pack; use one cartridge per change.
For CF1/CF4 and CSF1/CSF4 with a 10-inch prefilter. Maker lists up to six months. Measure first: systems bought before April 2019 may use a 20-inch filter. Select the correct blue or black lid option. This is the sediment cartridge, not the tank media.
For CF1/CF4 and CSF1/CSF4 with a 10-inch prefilter. Maker lists up to six months. Measure first: systems bought before April 2019 may use a 20-inch filter. Select the correct blue or black lid option. This is the sediment cartridge, not the tank media.
Match the full system model and cartridge part number with the maker’s instructions.
Check the quantity in the pack. A two-pack is two changes for a single-cartridge pitcher.
Check whether the pack includes the RO membrane, alkaline part or other stages you need.
Read the fitting, flushing and reset steps before starting. Follow the exact manual.
Questions you may have
Where can I find my water filter model number?
Check the system label, filter head or old cartridge label, then compare it with the manual. Write down the full model and part number. A brand name or a photo alone may not be enough to confirm a fit.
Will a cartridge fit if the size or brand looks the same?
Do not assume so. Match the exact system, cartridge number and configuration in the maker’s instructions. For example, the AquaTru Classic Alkaline VOC part listed here is different from a standard VOC part or a Carafe cartridge.
What if my filter is not in this replacement finder?
We currently list exact replacement parts for Brita Elite, Aquasana AQ-MF-1, AquaTru Classic Alkaline, iSpring RCC7AK and RCC7P-AK, plus the 10-inch sediment prefilter for SpringWell CF1/CF4 and CSF1/CSF4. Check the housing size before buying a SpringWell cartridge. For other models, use the exact manual or contact the maker. You can still save a maintenance check-in in My Water.
Does a one-year replacement pack mean I change every part once a year?
No. A pack can contain parts for several changes. The iSpring F9K pack linked here has nine pieces and no RO membrane. Follow each part’s schedule and check what you already have before buying another pack.
Can I buy a replacement without replacing the whole system?
The Check Price links here go to the named cartridge or replacement pack, not a new system. Confirm the part number, included quantity and current listing before paying.
What should I do after fitting a new cartridge?
Follow the maker’s fitting, flushing and reset steps. Record that part’s change date in My Water and add a new calendar reminder. Do not reset the dates for parts you did not change.
