Nilfisk Advance 33011722 by Nilfisk Advance OEM No reviews 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Contact Us For Pricing And Availability Description Description WASHER SEALING 3/8 Fits Nilfisk Advance 33011722 (alt # 33011722) Replaces Nilfisk Advance 33011722 Fits