Single Hole Bathroom Faucet Hot Cold Sink Faucet Basin Mixer Tap Deck Mount Lavatory Restroom Wash Basin Pop Up DrainProduct DescriptionFunction: rest room sink tap Material: Stainless metallic Surface treatment: brushed Packing: Contains a faucet, a set seat(Excluding hoses) Features; easy to install, assist sizzling and cold water Due to various displays and lighting effects, the particular coloration of the thing may well also be slightly assorted from the color shown on the picture. Due to handbook measurement, please enable 1-2cm size deviation:Material: Brass / Stainless steel body+Brass pop-up movement Height: 77mm Lid Width: 66mm Color: Chrome Silver,Matte Black, Installation Requirements: Opening 41-52mm Hole Basin How to make a choice the proper downcomer:. 1 overflow holes (confirm the presence of overflow holes) without overflow holes. 2. The overflow hole is a specific top of the water in the container that holds the water and as well the water will motion out of the hole when it exceeds this height, preventing the water from overflowing and inflicting damage. 3. Basin with out overflow gap (single basin) Basin with out overflow hole 4. Basin with overflow hole (double basin) Underflow with overflow hole 5. The overflow hole is designed to stop water from overflowing out of the basin. With the overflow hole water will enter the overflow hole when it reaches the extent of the overflow hole, and then move from the basin to the undermount vessel in the course of the undermount vessel hole to drain off the water.