4 PK. WHISPER EX FILTER CART. - MED.

Tetra Carbon Filters for Tetra Whisper EX Filters remove odor and discoloration from aquarium water using multi-density filtration. A coarse layer removes larger particulates, while a layer of activated carbon rapidly removes odors, discoloration, impurities and toxins to leave your water clear, healthy and polished. A multi-density layer, specially designed to a capture a full range of particulates, gives you unmatched water clarity.