One of the simplest ways to dissolve gases, such as oxygen or carbon dioxide, in water is to introduce the gas as small bubbles – the smaller the bubbles the more efficient the absorption of the gas.
Microbubble diffusers use an ultra fine pore ceramic plate which ensures uniform bubbles across its entire surface, producing a cloud of extremely fine bubbles – 100 to 500 microns. This is much finer than graphite or carborundum diffusers porous hose and because the diffuser is flat, the bubbles do not coalesce as with circular section diffusers. The ceramic is a clean and inert material.
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| Model | Description | Pricing |
| MBD075 | MICROBUBBLE OXYGEN DIFFUSER, 0.75 LPM; PRESSURE REQUIREMENT IS 25 PSI MIN, 35 PSI OPTIMUM; MAX. RECOMMENDED FISH LOADING IS 45 KG OR 100 LBS | $55.00 |
| MBD100 | MICRO BUBBLE OXYGEN AIR STONE: 1.5-3.25 LPM/ PRESSURE REQUIREMENT IS 25 PSI MIN, 35 PSI OPTIMUM/ MAXIMUM RECOMMENDED FISH LOADING 60 KILOGRAMS OR 132 LBS | $78.00 |
| MBD300 | MICROBUBBLE OXYGEN DIFFUSER, 3 LPM 6.5 SCFH; PRESSURE REQ 25 PSI MIN, 35 PSI OPTIMUM; RECOMMENDED MAX FISH LOADING OF 180 KG (APPROX 400 LBS) | $160.00 |
| MBD600 | MICROBUBBLE OXYGEN DIFFUSER, 6 LPM, 13 SCFH; PRESSURE REQUIREMENT IS 25 PSI MIN, 35 PSI OPTIMUM/ MAXIMUM RECOMMENDED FISH LOADING 360 KILOS OR 800 LBS. | $233.00 |
WEDGE-LOCK™ is a modular system of diffusers and end sets that fit together to form a bank of up to eight units. Oxygenation capacity can be increased (or decreased) as your needs demand by simply changing the number of diffusers used for greater flexibility and minimal downtime.
Designed for total ease of use, WEDGE-LOCK™ modules ‘Twist and Lock’ together to form an air-tight seal without the use of tools. Hose with push-in fittings connects the diffuser banks to the gas supply, significantly reducing set-up time and effort.
Manufactured from tough plastic, WEDGE-LOCK™ will not corrode and is resistant to the Sun’s ultraviolet rays. The diffuser’s streamlined wedge shape improves stability in tanks with high water flow and offers less resistance in self-cleaning tank systems.
WEDGE-LOCK™ uses an ultra fine pore ceramic producing a high Absorption Efficiency (AE) allowing you to increase yield while controlling the cost of expensive gases.

| Model | Description | Pricing |
| WEDGE-LOCK | Call for Pricing | |
| 1DWL001 | WEDGE-LOCK Diffuser Base | $74.00 |
| 1DWL002 | WEDGE-LOCK End Set | $56.00 |
