AD 56397148 Prematek Front Squeegee for Nilfisk Advance. Priced Each. Fits popular Nilfisk Advance machines such as BA 850ST, I-MAX 32C, CMAX 34ST. The front squeegee measures 51 1/2" x 2 3/8". Replaces Nilfisk Advance 56397148. Our Part Number AD 56397148