- Premium Blanco Silgranit under mounted sink - Colour: Volcano grey - Left hand large bowl - Cut out: 525mm x 400mm x R10mm - Bowl depths: 190mm and 130mm - Complete with InFino strainer wastes and plumbing kit Blanco Silgranit composite sinks add a touch of colour to your kitchen. Thanks to its velvety-matte surface, a Silgranit sink simply feels good and makes a great alternative to stainless steel, creating a harmonious two-tone highlight when combined with the correct worktop. In addition, they are very tough and extremely easy to maintain. Learn More