2000 pcs Aquarium 1 Bio Balls FREE Bag Filter Media Wet/Dry Koi Fish Pond Reef. Bio Balls are state of the art filter media for use in freshwater and saltwater wet/dry systems. They may be connected together placed in the filter box at random. The void space between the Bio-Pins is ideal for the movement of gasses like oxygen and allows it to more-readily come in contact with nitrifying bacteria living on the media surface.You will receive 40 bags of 50pcs bio-ball (total of 2000pcs), each one come with an individual reusable media bag (8.0" x 5.5"). Sometime you need wait 24 hours to see the real tracking info. Electrical Devices must be in its orginal packaging with all included paperwork. Fish Foods must be unused and sealed. We do require a return authorization number. Do not write anything on the box, please write on separate paper. QPOND is committed to honor and respect all of our customer's individual information and privacy. The information you provide will be secure and protected to provide you a safe and great shopping experience. Your mailing address information will never be provided to any other company for marketing or use. It is strictly for QPOND use only. The item "2000 pcs Aquarium 1 Bio Balls FREE Bag Filter Media Wet/Dry Koi Fish Pond Reef" is in sale since Wednesday, March 6, 2013. This item is in the category "Pet Supplies\Fish & Aquariums\Filters". The seller is "lotuspond2010" and is located in Monterey Park, California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica.