Tetra Whisper EX Carbon Filter Cartridges, Medium, 4-Count

Medium fits EX20Large fits EX30, EX45, and EX70

Tetra Carbon filters trap even the smallest particles

Easy to use

Tetra - Whisper Filter Cartridge Medium 4 PackTetra's New EX Filter Cartridges provide both mechanical and chemical cleaning of your aquarium's water. Includes new Timestrip Technology. Improved biological performance with Multi-Density Floss Continuous flush performance Round, modern design Replacement cartridge for Whisper EX20 Power Filter New Timestrips included with each filter cartridge
Brand: Tetra, Model: 26331, Color: Whites & Tans, Size: Medium, 4-Pack