Tetra Whisper® EX Carbon Filter Replacement Cartridges Vet's Best Evenly apply entire contents of

Evenly apply entire contents of the tube along the top of the dog's back

Treats multiple skin conditions such as dermatitis

15 levels of automatically adjusting static correction

Dogs love the natural flavor – and you'll love the fact that they're virtually odor free

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

Tetra Whisper® EX Carbon Filter Replacement Cartridges Vet's Best Evenly apply entire contents ofNow 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.