Electric Aquarium Gravel Vacuum Cleaner - Battery Powered Automatic Fish Tank Water Siphon & Gravel Filter Pump for Easy Tank Maintenance | Perfect for Freshwater & Saltwater Aquariums, Fish Tank Cleaning & Water Change

Specifications: Power Requirement: 2 x Battery (2 x C/ LR14 Batteries not included). Material: ABS Plastic and Electronic Components Length: 58-94cm(adjustable) / 22.83"-37" (adjustable) Maximum length: approx. 94 cm/ 37.01 in Maximum water level: approx. 75 cm/ 29.53 in Color: Beige & grayTips: 1. Before use, the starting water level line should be immersed in water and then started. After normal operation, it can be pumped out; 2. The fish tank is under one meter, the applicable water level is 20 x 75cm / 7.9 x 29.5in 3. Considering the convenience of disassembly and washing, there is no sealing design for the position of the impeller cover, so there may be slight water leakage during use, which will not affect the use. Installation Notes: 1. Take out product accessories 2. The integrated motor is connected to the water inlet pipe 3. Connect the filter bag 4. The water change mode can be connected to the extension tube 5. According to the length of use, the extension pipe is connected with the water inlet pipe 6. According to the usage, install sand washing head / cleaning head 7. Install the battery 8. Turn on the switch and use it at the starting water level Package List: 1 x Integrated Motor 1 x Water Inlet Pipe 2 x Extension Pipe 1 x Siphon Pipe 1 x Mesh Bag 1 x Sand Washing Head 1 x Cleaning Brush 1 x Mesh Bag Fixing Cover Question: This product may stop work intermittently. Solution: 1. The interior is dirty and needs cleaning. 2. You need to replace the battery. 3. If you are not pumping, please pay attention to whether the water level line is reached. The length of the water pipe must be adjusted before the water level line can be pumped normally.

★ Universal: Supported two suction pipe sizes, suitable for both small and large aquarium. Also be used as a water siphon for water changes, or to empty your aquarium when you connect a hose to outlet. Maximum flow: 520L/h.

★ Before Purchase: Considering the convenience of disassembly and washing, there is no sealing design for the position of the impeller cover, so there may be slight water leakage during use, which will not affect the use.

★ Application: This aquarium gravel vacuum cleaning tool can effectively remove the dirty things from the bottom of your aquarium effectively. Just press the power button to start, place the cleans as the position you desire to clean fish excrete and other dirt in the aquarium.

★ Battery Operated: Powered by 2pcs C/ LR14 Batteries (not included), with switch button to control on/off. To make sure the service life of the fish tank siphon pump, do not use it continuously for more than 30 min and do not sink the battery compartment into the water.

★ Tips: Before use, installed water siphon, the starting water level line should be immersed in water and then started. After normal operation, it can be pumped out. When the water outlet draw the water, raise the gravel cleaner, let the head and outlet above the water.