
Shower Heads
FS80C
Shower Filter Replacement Cartridge.
FS80C is the replacement cartridge fitted inside the FS801 fixed shower head. Match the cartridge model to your shower head before ordering.
- Cartridge model
- FS80C
- Compatible filters
- FS801
Turn off the water and follow the replacement steps supplied with your filter.
View compatible filters- Replacement interval
- 3–4 months
- Capacity reference
- 8,000 US gallons (approx. 30,300 L)
Made for
FS801.
Check the model before ordering
Use the cartridge model shown on this page for your FS801. The listing is for the replacement cartridge; the complete filter or shower head is a separate product.
How to replace it
- Turn off the water and remove the FS801 from the shower arm.
- Turn the shower-head casing counterclockwise and remove the used FS80C cartridge.
- Insert the replacement with either end first, then reassemble the shower head and refit it.
Flush before use
Run warm water at 40–50°C (104–122°F) through the new cartridge for one minute. Adjust to a comfortable temperature before showering.
Read the FS801 illustrated guide ↗When to change your cartridge
Replace every 3–4 months or 8,000 US gallons (approx. 30,300 L), whichever comes first; sooner if water quality or use requires.
View the compatible FS801FS801 / FS80C
How to replace your cartridge.

- Turn off the water and unscrew the shower head from the shower arm.
- Turn the shower-head casing counterclockwise to open it.
- Remove the used FS80C cartridge and insert a new one. Either end fits.
- Reassemble the casing and refit the shower head. Check the seal.
Flush before use
After reassembly, run warm water at 40–50°C (104–122°F) through the filter for one minute to activate and flush the new cartridge. Adjust the water to a comfortable temperature before use.
Replace the cartridge every 3–4 months or after 8,000 US gallons (approx. 30,300 L), whichever comes first. Water quality and use may require earlier replacement.
