The lifespan of the Black Berkey elements depend on the water quality and filter care. On average:
- Each element lasts up to 3,000 gallons
- 2 elements last up to 6,000 gallons
- 4 elements last up to 12,000 gallons
Tested by State and EPA accredited laboratories to exceed EPA and ANSI/NSF (Std. 53) protocol.