[Easy to install & use] - Just connect all the accessories together , Pressing the repeatedly till the water flows out automatically, greatly facilitates the cleaning process. When pumping water, the outlet level must be lower than the inlet level. [cleaning kit] - Including water outlet valve, air bag, long transparent plastic hose, hard pipe, filter grill, complete accessories, easy to solve the problem of changing water and washing sand in fish tank [Air-Pressing] - Aquarium siphon gravel cleaner comes with an , vacuum pumping, powerful suction, can easily remove sediment from the bottom of the tank. Built-in strainer in the water inlet effectively prevents little fish or aquatic plant from being discharged [Detachable] - Aquarium gravel cleaner can be split into different parts, easy to assemble and disassemble. [Wide Application] - they are suitable for most types of fish tanks, whether your tank is small or extra ; A must-have fish tank cleaning tools for fish lovers, can easily change the water, clean the gravel, effectively separate the feces and food residues in the aquarium, and keep the aquarium clean Colour:Gray Material:Plastic Size:2.6m Package Contents: 1 * Water Changer 2 * suction heads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.