Composed by 2 parts (see picture):
A: a polyethylene base of thickness of cm.2;
B: a replacement of thickness of 3 mm;
C: n° 4 removable plastic socket wrench to housing the Rivet;
D: n° 4 removable plastic rivets to fix Ecorefill;
E: n° 4 rubber feets, to close the through hole.
You change only the refill and not all the cutting board, there isn’t any levelling cost.
You reduce the plastic material in the environment
When you change the refill you satisfy requests on term of cleanness