Sensor Module for AL3100 or AL3500SC Breathalyzers

$29.95

Sensor module for the AL3100 or AL3500SC (semiconductor) models ONLY.

IMPORTANT: Your current sensor module MUST appear IDENTICAL to the one pictured on this page; if otherwise, it will NOT be compatible with your machine.

These sensor modules must be replaced approx. every 400 tests or at least once per year, whichever comes first.

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