This benchtop filter system comes with all fittings as shown to connect to your tap whether you have a single tap or a faucet. This 10" Std size housing is big enough to supply safe filtered water to your whole family for 12 months. Includes a submicron Doulton Supercarb OBE Ceramic, Silver and Carbon cartridge made in England. This water filter is designed to be used with untreated tank water that has E-Coli, Cysts, Giardia, Bacteria, Chlorine, Taste and Odor.(see specs in our carbon cartridges pages) If your water supply has a large amount of sediment we recommend using our twin housing system so that a 1 micron prefilter is used to protect the Ceramic cartridge from premature blocking. Ready to fit on your tap and use.