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Compatible with all aquarium air pumps, the Fluval Air Diffuser is easy to install, quiet to operate and offers adjustable flow for customized bubble control, making it an ideal alternative to traditional air stones.
For more fish tank accessories, check out other Fluval products including aquarium filters, filter media, aquarium heaters, aquarium air pumps, aquarium lights, aquarium rocks, aquarium thermometers, and aquarium stands. Fluval has a wide variety of products that are perfect for your pet fish to enjoy in any large fish tank, small fish tank, saltwater tank or freshwater tank. Fluval first broke onto the aquatic scene in 1975 by introducing the world’s first 3-stage filter with synchronous motor technology – a landmark breakthrough that is still applied in the industry today. Since then, Fluval has built a legacy around this pioneering spirit, relentlessly adapting in a changing world to launch innovative aquarium products that remain at the forefront of technology, and which set the bar in quality, style and functionality. Fluval’s mission is not just about building products that mimic the natural world, but inspiring aquarists of all skill levels to enjoy and respect the hobby for generations to come.
Lori' Nelson
Reviewed in Canada on January 8, 2025
This is a lot simpler than using air stones. It has great pressure. Even in a 24 inch high tank, the bubbles are stirring up the surface well enough that I needed to adjust the output so that the lid wasn't getting soaked. Great product.
GB
Reviewed in Canada on January 10, 2025
These create an excellent stream of fine bubbles. Definitely better small bubble stream than regular air stone. Not sure how they'll last, but better aeration without changing the air pump. Great.
Yulian
Reviewed in the United States on September 22, 2024
Los dos difusores están muy bien acorde a mis necesidades capacidad de reducir burbujas y ampliarla según corresponda y desee el usuario muy bueno muy buena oxigenación
Ezra Case
Reviewed in the United States on September 13, 2024
Exactly what I ordered and it works like the last one. Full flow adjustment and it’s quiet regardless of flow. Good size for anything 20g or bigger with flow adjustment.
Michele
Reviewed in the United States on August 19, 2024
Very effective, but the bubbles are so large that it splashes everywhere. Our water is hard, so it leaves mineral buildup on the lights, cover, and side of the tank.
Ian
Reviewed in the United Kingdom on July 13, 2024
Do exactly as I needed, calmed the air flow in my tank and they ard they are adjustable. Replaced my stones. A really good item.
Johnny D
Reviewed in the United States on May 13, 2024
The media could not be loaded.
Beate
Reviewed in Germany on December 30, 2024
Immer wieder
Tammy Gardner
Reviewed in the United States on November 7, 2024
Works great
Mike Mihelich
Reviewed in the United States on November 4, 2024
My tanks are very hard water. Any aerator is going to clog and fail in time. These are cheap and simple. They let out a very nice steam of bubbles. Good value.
Liz
Reviewed in the United States on April 13, 2024
Works great! Have one in my 40 gallon and one in my 55 gallon!
Buyinglotsofstuff
Reviewed in the United Kingdom on November 4, 2023
The diffuser produce a fantastic cone of small bubbles.seem to produce a much larger bubble stream than airstones.I think the is less resistance than from a stone so less wasted pump output.lots of surface turbulence with a feint hissing rather than the loud popping noise.they also work great at a depth of 45cm.ä which impeded the output of my airstones.
Jovannie B M
Reviewed in the United States on November 26, 2023
I really didn’t like my 2 big air stones my goldfish keeps moving it another this one stays put. I like it its very clean in my tank. You can adjust the bubbles 👍👍
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