AD 56392250 3-Blade Rear Squeegee Kit for Nilfisk Advance. This kit contains the 3 rear squeegees on the curved rear squeegee assembly. The tan outer blade measures 46-1/4" x 2-9/16" with 8 mounting holes. The kit also contains two neoprene blades. One blade is the support blade for the rear tan squeegee and the other is the slotted front blade (with 7 notches). This kit fits Advance Convertamatic 325LX, Convertamatic 385LX, Hydro-Retriever 325HD, and Hydro-Retriever 385HD with serial numbers below 0606047. Please check your parts manual / serial number / current measurements before ordering. Priced Each. Replaces Nilfisk Advance 392250, 56392250. Our Part Number AD 56392250