Product: Tetra Whisper Filter Cartridges 6 Count, Small, For aquarium Filtration (19550)
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
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

Search query: xsmall top fin fish filter
Relevance: Substitute