Missing the finishing touch Blanco kitchen sink Waste Flanges perfectly match our SILGRANIT® kitchen sinks. Compatible with most garbage disposals, 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 creating a seamless look. Strong and durable, these garbage disposal flanges are easy to maintain and are the perfect finishing touch to any hardworking Blanco unit.