Bag of 3 stems

An abrasive stem, which returns to the orifice of the vessel of the melting pot.

Empty the pot by heating. If necessary, unclog with a piano rope rod 160/100

NB Never use a drill that will damage the irreversible tank

Then introduce the abrasive blade and sweeping by holding it with a clamp

The operation is to make at least once a year, depending on your use