The length of the sink, the height of the faucet, the width of the cabinets on both sides, and the height from the bottom of the cabinet to the countertop before buying. The product size is 24.6 x 13 x 20.6in, the suitable sink length is ≤ 23.5in, the faucet height is ≤ 16.5in, the width of the cabinets on both sides > 29.5in, the height from the bottom of the cabinet to the countertop >35in. The Dish Rack is not Adjustable and Expandable.