Resun WC-75 Easy Vac High End Water Changer An easy solution for heavy and periodical water change Directly siphons water from aquarium to sink and then adds tap water to aquarium straightly afterwards Eliminating the hassle of a transfer bucket. Greatly simplify operation for water change for large fish tank Specially-designed vacuum with strainer help protect fish and plant when removing waste and doing water change A manual valve right after the vacuum for easy control of water flowing out and into the aquarium in the course of water change Features - Hose length: 7.6m/25ft - Hose diameter: 12mm What's in the box 1x 7.6m Hose 1x Aquarium vacuum 1x Cleaning tool