This Timer Circuit controls the sealing time of the Impulse Sealer. Numbers on the face of the timer serve as a reference point (not to be confused with seconds). Timer Circuit Board is compatible with multiple Manual Impulse Sealer machines.

Compatible with:

• E-MMS-300
• E-MMS-305
• E-MMS-400
• E-MMS-405

California Residents: read Proposition 65 warning.