Tetra Whisper Bio-Bag Filter Aquarium Cartridges, Medium Filter for Freshwater and Marine Fish, Removes Odors and Discoloration, Ready to Use, 3 Medium Green Filters

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.

Conveniently Assembled and Ready-to-Use

Like the unassembled, the-Packages are color-coded, making it easier than ever to remember which size to purchase

Easy to Assemble, Easy to Replace

Please read all label information on delivery