Multifunctional Aquarium Siphon Vacuum Cleaner: It can not only quickly change water, siphon fish faeces, but also effectively clean gravel and sand. Aquarium siphon with Round Filter Basket Net, protect your love fish and small gravel from suck out of the aquarium.Water Changing: This fish tank vacuum gravel cleaner is designed to easily and effectively change water in your aquarium, keeping your tank clean and your fish healthy.Adjustable Flow Control: The controller on this Fish Tank Vacuum Gravel Cleaner allows you to adjust the flow rate, ensuring gentle and precise water changes without causing stress to your fish.Durable and Easy to Clean: Fish tank water changer is made with reinforced hoses and thickened siphon ball. It also features a detachable design for easy cleaning and storage.Package List: 1 x PC Hose, 1 x Acrylic Tube, 1 x Gravel Tube, 1 x Siphon Ball, 1 x Pipe Fix Clamp, 1 x Flow Controller, 2 x Cleaning Suction head