Whisper Power Filter U963797

Tetra Whisper 40 Power Filter

• To remove particles such as uneaten food, bits of plants, fish waste, etc., from the water; Biological Filtration.
• To provide for the growth of a colony of beneficial bacteria that will eliminate harmful toxins in the water; Chemical Filtration.
• Activated carbon removes compounds that cause odors and discoloration of the water.

This external power filter is one of the best-selling filters in the U.S. Utilizing mechanical, biological, and chemical filtration, your aquarium will perform well because it is going through all the filtration cycles it needs.Mechanical filtration traps suspended particles, while activated carbon adsorbs contaminants. Biological filtration converts toxic ammonia and nitrites into nitrates. Impeller assembly snaps into the patented Wonder Tube and slides in and out of the filter for effortless cleaning. Flow control knob allows you to slow the flow rate during feeding to prevent overloading the filter with food.