Product: Tetra Whisper Bio-Bag Disposable Filter Cartridge 3 Count, For Aquariums, Large
Brand: Tetra
REPLACEMENT CARBON FILTER: Keeps aquarium water crystal clear – removes odors and discoloration
CATCHES DEBRIS: Dense dual-sided mesh filters debris and fish waste
FITS TETRA WHISPER WATER FILTERS: Color coded to make it simple to remember which replacement cartridge size to purchase
CONVENIENT: Replacement filter cartridges are fully assembled and ready to use
USAGE: Change monthly or sooner if needed

Search query: 20 gallon aquarium filter
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