AB105: A simple small porcelain wall mounted bathroom sink is sometimes harder to find than you might think. This Alfi brand sink model offers a modern sink design in a compact size and convenient shape. Perfect for upgrading small bathrooms or powder rooms. Small ceramic wall mounted bathroom basin / sink. A simple yet elegant design never goes out of style. 1 3/4″ Center drain. Inner Dimensions: 9 1/2 x 7 1/2 x 3 With Overflow. Features one hole for use with a single hole faucet. Features a standard 1 3/8 right cornered faucet hole.