Tetra Whisper Aquarium Air Pumps

Whisper 100 Air Pump The New Shape of Silence! Designed From the Ground Up for Silence and Performance. Minimal noise, maximum air flow. The Whisper? Air Pump's dome shape actually flattens sound wave frequencies. In addition, each model features sound-dampening chambers designed specifically for that model. And the air pump's rubber feet and suspended motor prevent sound waves from reflecting off surfaces such as tables and shelves. Whisper? 100