Whisper Filter Cartridges complete the Whisper Power Filter package for a clean, easy-to-maintain aquarium. Whisper EX Carbon Filter Cartridge Large is filled with Ultra-Activated carbon, the ready-to-use disposable single packs remove waste particles, odors and discoloration, and are easily changed once a month. The Whisper Filter Cartridge large multi-packs come unassembled and offer economical pricing on larger quantities.
Whisper EX Carbon Filter Cartridge Large - Fits Whisper Filter EX30 EX45 EX70
It is recommended that you replace your Whisper Filter Cartridge when water begins to overflow excessively from the Wonder Tube chamber.