Keep your E-Seek M500 operating smoothly with this cleaning and calibration kit*. Kit Contains: 1 – Calibration Card (M500-CALIB) – Reusable 1 – Air Divider (M500-AIRD) – Reusable 1 – Cleaning Card (M500-CCARD) – One time use. Additional cleaning cards available as needed   E-Seek recommends that the M500 should be cleaned every 3000 scans.…