BLANCO 203443 Disposal Flange, 3.5", Soft WhiteMissing the finishing touch. Blanco kitchen disposal flanges perfectly complements all of our SILGRANIT kitchen sinks. The Blanco waste flange creates a tight seal to prevent food and debris from clogging up your pipes while giving you the option to allow water to drain through ideal for food prep. Making prep work more pleasing and clean up less complicated, the Blanco color coordinated waste flange also adds an element of style to your sink by