Features: It is designed with a sponge filter,it can filtrate and purify the water. Suitable for different type of tank,such as freshwater fish tank,sea water aquarium or amphibian tank. Submersible pumps can be used for multiple purposes such as pumping water, add oxygen, and filtering. Specification: Type : AP-200L /AP-300L/AP-600L Power:3W/4W/8W Function:,filter,pump water,add oxygen Plug: EU Plug Note: Only suitable for working in water. Package: 1 *Submersible Water Filter Pump Do ? Yes,we do.If you have any question please contact us. Production Material Safety? All products are 100% new, workable and checked carefully before sending out. When is the parcel sent? We will send out order within 5 workdays. The delivery time will vary according to different countries and will be affected by weather, public holidays and so on. If order doesn't received in declare time, please contact us. How about refund? Full refund if the item does not match the description or defective.