Zilla Basking Replacement Filter Cartridge for Zilla Turtle Filter Kit – Medium – 3 Pack

Zilla Replacement Filter Cartridges (Medium, 3-pack) are activated carbon cartridges with floss, designed for Zilla Deluxe Turtle and Basking Platform filters

. They trap fine debris and odors from the water; replace the cartridges monthly or whenever they become clogged to keep the filter working efficiently.