Compact Wash Unit Compact Wash and Drain Unit: - Same features as Ref.3500, this model Ref.3550 is very compact: Width 45 cm x Length 100 cm x Height 75 cm (lower drainage side) and 85 cm (upper sink side) – Equipped with 2 sink bowls - Dimensions: 34 x 29 x 20 cm (high) – 10 cm backsplash along - Weight 30 kg.