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$59.99
$34.99
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Description:

NOTE: For Quantity Discounts click the "Discount Drop Box".

This is the SCREW DOWN type Pre-Calibrated sensor module: 2008 and later models of the AL-3500- AL-3100 ONLY! 

Sensor life usually between 200-300 tests. Simply change the sensor just like changing a battery! Installs in seconds, just snap out and snap in!