Non marking: moving from black to lighter color will allow to have no more black marks left on the floor while cleaning Natural gum: the material has changed from neoprene to natural gum: a softer blade that allows perfect contact with the wet floor to be cleaned Superior suction performance : thanks to new material the new blade guarantees high chemical resistance , top suction performance and 100% water pick up Fits the following machines: Nilfisk BA ,CA 551 ,611 scrubber drier Nilfisk SC430 scrubber drier Nilfisk SC430 53 B GO FULL PKG scrubber drier Nilfisk SC450 scrubber drier Nilfisk SC530 scrubber drier
