AQUATOP CARBON INSERTS FOR SP9-UV & SP13-UV Subcategory_Coralline Additives Featuring certified organic kelp as

Featuring certified organic kelp as its main ingredient

the Classic 200INT is constructed of high-quality cast acrylic and features an easy to adjust gate valve

24″ x 24″

Not a child's toy

AQUATOP CARBON INSERTS FOR SP9-UV & SP13-UV Subcategory_Coralline Additives Featuring certified organic kelp asHT Aquatop SP913UV RCI, Replacement Cartridge Insert for the SP9 UV and SP13 UV, 2 pack. The SP UV cartridge layer is made of strong poly fiber and collects organic debris for easy removal. Filled with Aquatop's Activated Carbon, these replacement pads are extremely easy to use and install and help keep aquarium water crystal clear and free from odor. NOTE: AquaTop recommends replacing the Filter Insert filled with Activated Carbon every 4 6 weeks.