This versatile aquarium accessory kit is for both beginners and experienced aquarists. It includes various air pump parts, suction cups, and check valves to maintain efficient air flow. The durable materials performance, while the easy-to-follow instructions make installation a breeze. Features -Color:Assorted Color -Material:ABS,air stone -Size: 3.90X1.50X1.50cm/1.53X0.59X0.59in -Effortless integration: the air stone and pump accessory kit integrates seamlessly with your aquarium, offering convenience and practicality -Boosted oxygenation: air stones in the kit the oxygenation of the water, ensuring a better oxygen supply for your aquarium -Improved water movement: the straight design allows for even bubble distribution, optimizing water movement and enhancing the habitat -safe materials: made from robust abs and air stone materials, this kit is designed for durability and safety in your aquarium -Quick installation: suitable for a variety of aquariums, including fish tanks and decorative fish ponds, providing an excellent environment for aquatic organisms Package list: 2 x Air Tubing 4 x Air Stones 4 Valves 8 x Suction Cups 4 x Straight Connectors 4 Connectors