Round Ceramic Bar Filter Media, 9 Pc, For Pond Aquarium filtration, Fish Safe PondH2o is long lasting ceramic media, highly porous ceramic material produces both mechanical and biological filtration. Much greater surface to allow very large bacteria populations to colonize. Ideal for Bakki Shower Filters. Ideal for Pond, Fish Tanks, Aquariums, Freshwater, and Marine environments. Reduces Ammonia, Nitrites Nitrates. Improves Water Quality and Clarity. Long lasting, highly porous ceramic material produces both mechanical and biological filtration ? PondH2o has long lasting ceramic media ? Highly porous ceramic material produces both mechanical and biological filtration ? Much greater surface to allow very large bacteria populations to colonize ? Ideal for Bakki Shower Filters ? 9 Pieces ? Each bar is 5 3/4 Inch Long x 1 Inch Diameter We sell many aquatic products online, check out our Store! Terms and Conditions. We use all approved methods for taking payment. Sales Tax will be added via, based on State regulations. We always try to combine purchases, please contact us directly for a personal service. You will be notified on the day that your goods have been dispatched via e-mail with tracking which is used on all purchases. Please note that if there are any problems, contact us first via e-mail giving full details of any problem along with your user ID. We use USPS and UPS as our chosen carriers shipments to Hawaii, Alaska Puerto Rico may incur surcharges, contact will be made to advise before shipment at which point the order can be cancelled if desired. Orders placed on Saturday/Sunday Public Holidays will be processed next working day. We pride ourselves on excellent feedback, if any part of the buying experience is not to your satisfaction, please contact us to rectify before leaving feedback. By committing to buy you are agreeing to the Terms Conditions stated above.