(3 Pack) Exo Terra Repti Clear 350 Fine Foam Filters, 2 Foams each 6 Replacement Filters Total (3 Packs with 2 per Pack) Exo Terra Repti Clear 350 Fine Foam Designed to fit the Exo Terra Repti-Clear 350 Optimal pore size for efficient mechanical and biological filtration of fine debris Tailored fit prevents bypass