Tetra Whisper® EX Carbon Filter Replacement Cartridges Vet's Best it is time for a

it is time for a change

Crafted with wellness in mind

Multi-stage filter pumps out an astounding 925 gallons (3500 L) of water per hour

Safe for use around pets and homes

A cat’s digestive system works best when it receives the same food each day

Tetra Whisper® EX Carbon Filter Replacement Cartridges Vet's Best it is time for aNow 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. Fits: Medium EX Whisper EX20 Large EX Whisper EX30, EX45 & EX70 Instructions: Coarse layer Removes larger particulates.