Generally, the filter is good up to 9 months of usage.
On average, a person takes a 10 minute shower per day:
|
Shower Filter Setting |
# of 10 Minute Showers |
# of 15 Minute Showers |
|
2.5 gpm* |
600 |
400 |
|
2.0 gpm |
750 |
500 |
*gpm = gallons per minute