The Aqua One Hose PVC Transparent Grey is a flexible, durable tubing designed for aquarium use. It is suitable for both freshwater and saltwater setups, making it versatile for various aquatic environments. The hose is sold per meter, allowing users to purchase the exact length needed for their specific applications. It is commonly used for filter plumbing, water changes, and other aquarium maintenance tasks. The transparent grey color provides a sleek appearance while allowing for easy monitoring of water flow. The hose is compatible with various Aqua One canister filters and other brands such as Eheim, Fluval, Atman, Via Aqua, Eden, and SunSun