Dophin Internal Filter Box for Aquarium Fish Tank bookeasy Opt for a black colour

Opt for a black colour cave for black soil substrate and a sand colour cave for sand substrate

It prevents fish in your aquarium from leaping out

We have 2 types of Aquarium Lids: With Notch: Aquarium Lids with a notch at the corner to accommodate filter inlet and outlet pipes

Each 180 ml bottle contains a non-toxic formula that is safe for fish and easy to use

to ensure less noise and best absorptive power to clear the dirt at the bottom of the aquarium

Dophin Internal Filter Box for Aquarium Fish Tank bookeasy Opt for a black colourThe internal filter is suitable for fresh marine water tank. The filter cartridges can be easily pulled out for replacement without wetting the hands since they are placed at the top of the filter to eliminate odor. The sponge will provide the biological filtering system. Features: 1) Multiple layers filtering system to ensure crystal clear water. Filter medium is easy to be removed and cleaned. 2) The water pump is placed in the bottom of yhe filter