The Purezone P3 cassette life depends on how frequently you test.

Every other day testing

• Each Purezone P3 cassette lasts 2 months (48 measurements) based on "every other day" testing with capacity for additional on-demand measurements.
• On-demand measurements can be done at any time tapping "Measure Now" in the Purezone app.
• Unused cassettes have a 2-year storage life when stored in the original foil packaging, indoors and not exposed to extremes of heat or cold

Daily testing

• Each Purezone P3 cassette will last for 48 days based on daily testing
• Unused cassettes have a 2-year storage life when stored in the original foil packaging, indoors and not exposed to extremes of heat or cold