Features: Made of copper, plating surface, durable. Offers a quick connection. Prevent splashing. Reduces tap noise. Water and Energy Savings of up to 70% . Easy installation. Suitable for bathroom, kitchen, garden supply and so on. Water Filter Adapter only,other accessories demo in the picture is not included. Specification: Material: Brass Optional color: Copper,Silver Optional style: 01,02,03,04,05,06,07,08,09,10,11,12,13,14,15 01 Inside Diameter: app.16mm/0.63in 02 Inside Diameter: app.18mm/0.71in 03 Inside Diameter: app.20mm/0.79in 04 Inside Diameter: app.24mm/0.94in 05 Inside Diameter: app.0.4in 06 Outside Diameter: app.16mm/0.63in 07 Outside Diameter: app.18mm/0.71in 08 Outside Diameter: app.20mm/0.79in 09 Outside Diameter: app.22mm/0.87in 10 Outside Diameter: app.24mm/0.94in 11 Outside Diameter: app.0.4in 12 Inside Diameter: app.16.2mm/0.64in 13 Inside Diameter: app.18.2mm/0.72in 14 Inside Diameter: app.21.2mm/0.83in 15 Inside Diameter: app.23.5mm/0.93in Quantity: 5Pcs/Set Note: No retail package. Please allow 0-1mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Contents: 5Pcs x Water Filter Adapter