Mufti-functional cleaning kit: Aquarium gravel vacuum cleaner kit is a mufti-functional aquarium cleaner that uses (adopts)the siphon design principle, which includes the aquarium, aquarium sand washing, algae scraping, fish excrement cleaning, aquarium residual debris, and aquarium water changing. Quick water change gives fisha clean and comfortable aquarium living environment. A wide range of combination accessories: 1 * air pressure control body; 2 * water inlet pipe; 1 * water pipe connector; 1 * duck mouth suction; 1 * Outlet pipe (79 "PVC hose),; 1 * Water flow clamp; 1 * water pipe clamp; 1* Aquarium temperature sticker; 1* fishing net; 1 * user manual, equipped with 2 inlet pipes can be combined according to the size of the fish tank. New upgrade function: the unique light manual press type design provides both convenience and pleasing appearance without electricity. The sand washer is equipped with two internal thickened airbags which can pump the water quickly. Aquarium siphon outlet pipe of the filter basket also equipped with filter, which not only avoids gravel blocking and all kinds of dirt, but also protect your lovely fish and small gravel from suction out of the tank.