Astracast Echo D1 Undermount 1.5 Bowl Sink. 18094 Features Stunning mounted in granite and solid surface worktops (not suitable in laminated worktops) Ideal for teaming with large feature taps Compact, easy clean with radiused corners Ideal for island unit application Ideal for use with waste disposal units Main bowl deeper than most undermounted sinks on the market (195mm) Grid included to protect bowl.