Maintaining aquarium is so ebsy, all the necessary tools are here for your choice to makes your tank neat. Patented two-way valve, following the narrow of the valve to draw out of the water and fill up your aquarium in ease with one tube. Extendable cleaning rod with interchangeable attachment, ergonomic grip for slip resistant and comfortable use. Flexible connection provides different angles for prefect operation. Specification : Syphone : Ideal for cleaning gravel without losting ythe gravel. Suitable for any kinds of gravel. Water vacuum cleaner : Scraper with water vacuum design, easy in scraping the algae and drawing out of the wall. Especially for the alga on the bottom of the no gravel tank. Scrubber : Dood quality of scrabber won't scratch glass. Rubber scraper : Easy to remove the water from surface and makes the tank neat, no more water blot.