Purchase this item and get 
Water change the easy way. Gravel washer with suction mechanism, adjustable tube holder and tube. The water flow rate is variable.
- no suctioning necessary.
- simple start by pressing the suction device or shaking the gravel washer.
- tube is held securely thanks to adjustable tube holder.
- adhering to the aquarium bottom impossible.
- no suctioning of fish possible due to protection net.
- water flow rate adjustable.
- suitable for fresh and sea-water.
