Deep Blue Professional Plain Polyfiber Media Pad 18 by 30-Inch

Deep Blue Professional Plain Polyfiber Pad 18x30" Cut to fit media pads traps micro and macro organic particles, foreign debris, and excess fish food. For use in custom sumps/refugiums, hang-on filters, prefilter boxes, and more. Safe for both freshwater and marine aquaria. Mechanical stage filtration 3X more pad than other leading brands Promotes a healthy aquatic environment. New thicker, more rigid design for extended use.