This Spec · Evo · Flex Maintenance & Replacement Filter Media Kit Includes 5 Items: The Spec Evo Flex Activated Carbon -3 Packs, The Spec Evo Flex Foam Filter Block, The Spec Evo Flex Biomax 2.1 Oz, 2 Trident Nova Aquarium Filter Media Bags And 1Cc Lubricant Tube. Specifically Designed For Use With The Spec, Evo And Flex Desktop Aquarium Series The Spec Evo Flex Bio Foam Value Pack: Mechanical And Biological Filtration Media With Large Porous Surface That Supports Expansive Beneficial Biological Activity And Precision Cut (No Gaps) To Prevent Debris Bypass And Complex Foam Structure Maintains Consistent Water Flow.
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