Fish tank siphon pump with extension , mainly made of silicone material, safe and lightweight, reliable and strong, which . The aquarium vacuum cleaner can help you easily complete the water changing and cleaning work. A nice and practical too for fish tank cleaning. Features - Color: Blue -Material:Silicone - Size: 42.00X5.00X5.00cm/16.51X1.97X1.97in - Size: 30.00X1.00X1.00cm/11.79X0.39X0.39in - Size: 27.00X5.00X5.00cm/10.61X1.97X1.97in - The design is reasonable and the is stronger, the siphon pump can help you complete the work faster. - Siphon principle, press the pump to form a vacuum environment, quickly change the water. - Professional and practical fish tank water changing tool, wear-resistant, scratch-resistant, beautiful and firm. - The fish tank siphon pump is easy to install, simple to operate, and save . - Professional fish tank water changer brings much convenience to your fish tank cleaning work. Package list: 2 x Siphon Vacuum Cleaners 2 x Extension Tubes