Tetra 26332 Whisper EX Carbon Filter, Large/2-Pack

Now a carbon filter as innovative as the Whisper EX filtration system it's designed to fit. Tetra carbon filters' layers of multi-density floss effectively trap even the smallest particulates while activated carbon rapidly eliminates odor, discoloration, impurities, and toxins.the result? Water that's clear, healthy, and polished.carbon filters come ready-to-use and include one patented timestrip change indicator for each filter.