Aquarium Fish Tank Cleaner Kit Description: Features: 1. High-quality products, environmental protection, durability. 2. With adjustable current switch knob. 3. You can effectively clean the gravel in the water and keep your aquarium clean. 4. Suitable for all kinds of aquariums: small and medium-sized aquariums 5. Unique hydraulic design, water can be recovered by shaking up and down the pipe. 6. The design of outlet valve can control the size of water freely. 7. You can quickly filter impurities in water and wash sand easily. 8. Non-toxic environmental protection, high elasticity. 9. Clean, wash sand and decontaminate, one-step gravel cleaner for aquarium tank. 10. The aquarium gravel/sand cleaner effectively separates and removes debris generated by aquarium gravel, and carries out routine water replacement. They are made of flexible, high-quality pipes and individual gravel pipes that do not break or break. 11. The filter at the entrance is used to collect debris while protecting the fish and sand carried. No ornamental fish will be harmed when used. 12. The principle of Aquarium Gravel vacuum siphon is to discharge air from the pipe so that the water flow varies according to the height/pressure difference. Specifications: Color: As shown Material: PVC Size: Tube length: 48.8 cm/19.2" Hose length: 149.3 cm/58.8" Package Includes: 1 X Water Changer Notes: 1. Must shake up and down, remove air to make water flow out, otherwise water can not flow out. 2. Please allow 1-3 cm measuring deviation due to manual measurement. 3. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Shipping 1.If you need to buy in bulk, please contact, we will reply in 24 hours. 2.We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control. 3.Usually product Reaches after about 12-45 business days depending on destination. If you have not received your shipment within 45 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Refund or resend product will be offered if item still not received. 4.We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We ask you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them! THANK YOU :)