The aquarium air tube fitting connectors are designed to work with various air pump accessories, such as air stones. The fish tank air tubing adapters provide a secure connection, ensuring a of oxygen to your aquatic pets. Use the aquarium air tubing adapter connectors to connect different sections of airline tubing, creating a comprehensive . Features - Color: Transparent -Material:ABS - Size: 2.00X2.00X0.40cm/0.79X0.79X0.16in -Note: -ABS material: these connectors ensures they remain in excellent condition for a long time -Multifunctional design: these connectors are ideal for use with aquarium air and oxygen pumps, offering a practical and versatile solution for your setup -Wide application range: suitable for various uses, these connectors can be adapted to different aquarium configurations to meet diverse needs -Userfriendly installation: designed for easy installation and removal, these connectors are convenient and straightforward to use, saving you time and effort -Ample quantity: the set provides you with plenty of pieces to meet different accessory requirements in your aquarium, ensuring you have everything you need Package list: 20 x connectors