Diffusers

"B" Membrane Diffuser

$179.00

Because of the unique design of this Diffuser, it will more than double the water turnover rate of our other diffusers with the same amount of airflow! Learn More

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12" Rubber Membrane Air Diffuser w/ 1/2" MPT

$22.00

These EPDM rubber air diffusers are incredibly strong and very easy to clean. Learn More

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16" Twister

$299.00

Airflow rates of 3.0 to 9.0 CFM are recommended for the TB16 Diffuser, but they can easily handle twice that much. Contact a Keystone Hatcheries Biologist for sizing recommendations. Learn More

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8" Rubber Membrane Air Diffuser w/ 1/2" MPT

$15.00

These EPDM rubber air diffusers are incredibly strong and very easy to clean. Learn More

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Kasco U-Tube Air Diffuser

$199.00

This product moves more water per CFM of airflow than almost any other pond diffuser in the industry. Unit includes a check valve and comes with 3/8” or 5/8” barb connection. Learn More

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This diffuser features a unique micro-porous membrane that keeps fine bubbles from coalescing into bigger bubbles. This feature greatly increases the amount of water that these diffusers can move, which means much better aeration. Learn More

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