Suitable for 21mm Non-threaded faucet. It is quick and easy to connect and disconnect the connector to the water supply. It is bonded with high-quality vulcanized rubber and brass. It is resistant to abrasion and pressure. Suitable for the kitchen water filter, supporting the use of the connection between the the faucet and water clean purifier filter. Specification: Material: Rubber & stainless steel Connector inner diameter: 22mm/0.87inch Color: White Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Faucet Adapter Connector (without retail package)