●Efficient Aquarium Siphon: The aquarium vacuum gravel cleaner pumps water up to 5 gallons every 10 minutes. Perfect tools for aquarium water changing and sand washing. Work great for fish tanks up to 10 gallons. ●Versatile Aquarium Cleaner: Equipped with a water inlet protective cover, it effectively prevents fry or shrimp from being sucked away. And the multifunctional cleaning head features a mini brush and a pad. Ideal for decoration scrubbing, stain and excrement removal or wall wiping when draining. ●Reach Everywhere Easily: The sucking tube of the siphon vacuum cleaner has been greatly optimized to become stiffer and slimmer. Easily reach every corner or gap between rocks or plants. Quickly reach every part of the fish tank for all-round cleaning. ●Easy to Use: No power supply required! Just manually squeeze the siphon ball a few times to suck out the water. Put the siphon ball lower than the sucking tube before use and place the end marked with “↓” downwards towards the bucket. ●Reliable Material: The fish tank vacuum consists of clear PVC tubes and an EVA siphon ball with superb elasticity. Both ends of the air bag are detachable for easy cleaning and unclogging. No harm to your aquatic pets.