Sink series franke armonia sink width 116 cm sink depth 205 cm bowl size 34 x 40 x 20 5 cm material stainless steel manufacturers colour silver surface glossy fitting width 80cm minimum base unit designs 2 bowl with drainer double sink sink layout reversible cut out size 116 x 50 cm sink shape rounded corners pool shape rounded corners number of bowls 2 properties fade resistant heat resistant stain resistant food safe acid resistant