Tetra Whisper BioBag Medium Filter Cartridges for Aquariums 3 Count Ready to Use Fits Whisper Fish Tank Filters 510 Gal PF10 IQ 10

REPLACEMENT CARBON FILTER Keeps aquarium water crystal clear removes odors and discoloration CATCHES DEBRIS Dense dualsided 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 ReadytoUse Like the unassembled thePackages are colorcoded making it easier than ever to remember which size to purchase Easy to Assemble Easy to Replace Please read all label information on delivery.