 
The Whisper® EX is ready to go right out of the box. Simply adjust the in-take tube, place the filtration system on your aquarium and plug it in.The submerged motor begins filtering water immediately. No priming required. And operation is Whisper quiet.
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Accurately determine when your carbon filter has expired with Tetra's Timestrip. Our patented technology allows you to see at a glance when it's time to replace your filter. The health of your fish depends on regular filter changes to remove toxins and other harmful impurities. |
 
Our newly re-designed filter carrier holds the filter – and the drips – so you don't have to. After discarding the old filter and inserting a new one, the carrier easily drops back into place within the filtration system. It's that simple! |
 
Unlike other filters, the Whisper® EX contains multiple layers of progressively denser floss to remove even the smallest particles from the water. The carbon inside eliminates odors, discoloration and, most importantly, harmful toxins. Finally, the BioScrubber® removes ammonia and nitrites that are deadly to your fish. |