These fish tank water adapters are for connecting hoses of different sizes in your aquarium. The robust PVC construction ensures durability, while the soft PVC design allows for easy and secure installation. Ideal for use with water pumps, these connectors help maintain a steady water flow and prevent leaks, ensuring a well-maintained fish tank. Features -Color:White -Material:PVC -Size:5.00X1.60X1.30cm/1.97X0.63X0.51in -Note: outer diameter: about 13mm, 16mm -Made of PVC: made from reliable PVC, these adapters are designed to be and resistant to wear and wear - design: the adapters ensure a tight and secure connection with water pipes, effectively preventing any leaks -Long term use: Constructed from firm plastic, this aquarium hose connector is designed to withstand long-term use and resist wear and tear -Quick installation: no need for tools; these adapters can be easily installed by simply tightening them, making the process quick and easy -Versatile use: suitable for a variety of applications including aquariums, fish tanks, and water pumps, these adapters meet diverse needs Package list: 5 x Aquarium Pipe Adapter