Diffusers & Accessories


  • Point Four MBD Micro Bubble Diffusers Ceramic Diffuser Point Four MBD100

    Point Four Point Four MBD Micro Bubble Diffusers

    These diffusers are for use in oxygen and other fine gassesPoint Four microbubble diffusers use a specially developed, ultra fine pore ceramic plate that produces a cloud of extremely fine bubbles of approximately 100–500 microns; far superior to airstones, porous hose or membrane type designs. The flat plate design ensures uniform bubbles across the entire surface and minimizes bubble coalescence to achieve an absorption rate in excess of 80%, depending on depth and flowrate. Bubbling Pressure is 25 to 35 psi. These aquaculture-duty diffusers are among the most efficient diffusers available, allowing you to increase yield while controlling the cost of expensive gases. Made from premium materials and subject to rigorous testing, Micro Bubble Diffusers provide the kind of performance and reliability our reputation is built on. The Point Four micro bubble oxygen diffuser produces a cloud of extremely fine bubbles – 100 to 500 microns. This is much finer than graphite or Silicon carbide diffusers porous hose and because the diffuser is flat, the bubbles do not coalesce as with circular section diffusers. The Point Four diffuser uses an ultra fine pore ceramic plate which ensures uniform bubbles across its entire surface. The ceramic is a clean and inert material 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. These aquaculture-duty diffusers are among the most efficient diffusers available, allowing you to increase yield while controlling the cost of expensive gases. Made from premium materials and subject to rigorous testing, Micro Bubble Diffusers provide the kind of performance and reliability our reputation is built on.

    £124.58 - £912.74

  • Point Four™ Plastic Micro Bubble Diffuser (PMBD75) Ceramic Diffuser Point Four Default Title

    Point Four Point Four™ Plastic Micro Bubble Diffuser (PMBD75)

    These diffusers are for use in oxygen and other fine gassesPoint Four Plastic Micro Bubble Diffusers (PMBD) are one of the most efficient diffusers available, allowing you to increase yield while controlling the cost of expensive gases. Made from premium materials and subject to rigorous testing, PMBDs provide the kind of performance and reliability our reputation is built on. Point Four Plastic Micro Bubble Diffusers (PMBD) are one of the most efficient diffusers available, allowing you to increase yield while controlling the cost of expensive gases. Made from premium materials and subject to rigorous testing, PMBDs provide the kind of performance and reliability our reputation is built on. Point Four diffusers use a specially developed, ultra fine pore ceramic plate that produces a cloud of extremely fine bubbles of approximately 100–500 microns; far superior to airstones, porous hose or membrane type designs. The flat plate design ensures uniform bubbles across the entire surface and minimizes bubble coalescence to achieve an absorption rate in excess of 80%, depending on depth and flowrate. Bubbling pressure is 25 to 35 psi (1.7 to 2.4 bar). • Robust construction—ceramic plates set in an injection moulded plastic base with solid brass connection fittings.• Flexible, modular design lets you easily add or subtract diffusers as your needs change. Applications for micro-bubble diffusers include pure gas applications (pure oxygen, carbon dioxide), high-density hauling, holding/growout tanks and emergency aeration. Note: Diffusers are also known as airstones.

    £95.27

  • Last stock! Point Four Wedge-Lock End Sets Ceramic Diffuser Point Four

    Point Four Point Four Wedge-Lock End Sets

    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 The Point Four WEDGE-LOCK is a modular system of microbubble 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.

    £51.97

  • Point Four Wedge Lock Micro Bubble Diffusers Ceramic Diffuser Point Four

    Point Four Point Four Wedge Lock Micro Bubble Diffusers

    These diffusers are for use in oxygen and other fine gassesWEDGE-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 The Point Four WEDGE-LOCK is a modular system of microbubble 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.

    £101.12

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