One hole with aerated swivel outlet. 1/2 BSP female connection ends. CP Care & Maintenace - Ensure your product does not come into contact with any lubricants during installation. Chrome plated, matte black and any colour finshes should be wiped with warm soapy water and a soft cloth or sponge. Rinse, then dry and buff with a dry soft cloth. Under no circumstances must any detergents containing hydrochloric acids or abrasives including cream cleansers be used. Do not use abrasive cleaning materials such as scourers. Should your product have an aerator at the water outlet, it should be checked and cleaned regularly.