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.
Standard delivery time 3-7 business days