Tetra Filter Aquarium Cartidges, Removes Odors and Discoloration, Ready to Use, Small Whisper Filters, 6 Count Size:1 Pack(Large) Filling your pet's need for

Filling your pet's need for interactive play

snack time

aquatic froms and many more

made in USA

Case of 12

Tetra Filter Aquarium Cartidges, Removes Odors and Discoloration, Ready to Use, Small Whisper Filters, 6 Count Size:1 Pack(Large) Filling your pet's need forAbout this item REPLACEMENT CARBON FILTER: Keeps aquarium water crystal clear removes odors and discoloration. CATCHES DEBRIS: Dense, dual sided mesh filters debris and fish waste. CLEAN WATER MADE SIMPLE: Small size fits Tetra Whisper 3i Internal Filters. CONVENIENT: Replacement filter cartridges are fully assembled and ready to use. USAGE: Change monthly or sooner if there is reduced water flow.