Help maintain the cleanliness of your tank with this Aquarium Siphon Vacuum Gravel & Sand Cleaner with Pump, Clean Substrate. This manual hand pump assembles in minutes and features a netted nozzle attachment at the end of the long flexible hose to drain dirty water without sucking up the gravel or any underwater buddies. Along with cleaning your aquarium, it can be used to replenish or drain water as well. The kink-resistant siphon cleaner is made of durable plastic and designed to not spill any water. This pump also features a portable design so it can be stored nearly anywhere. Best of all, it's suitable for both freshwater and saltwater tanks.