World Class Filtration Solutions

Disposable Diffused Aeration Units

World Class Filtration Solutions

7" ‘Easy Fit' HDPE Dome Diffusers

Porvair Filtration Group supply a direct and popular alternative to ceramic dome diffusers. Our lightweight sintered HDPE aeration domes are virtually unbreakable under transport, installation and normal operating conditions.

With lower operating costs than alternative systems, our 7” ‘easy-fit' dome, with integral ‘super seal' EPDM gasket, offers proven HDPE technology in a universal design.

Integral EPDM Gasket

The increased efficiency of the seal between the dome and the saddle and the reduced installation time by 25% results in less maintenance and decreased fitting costs time. This design also eliminates the need to stock gaskets which lessens stockholding costs.

Proven HDPE Technology

The enhancement of the proven diffuser design, used in continuous operation for 8 years, signifys that this product has a known performance criteria, eliminating the need for testing and maintenance. Lightweight and strong and resistant to frost and chemical attack ensures that the HPDE dome diffuser will not be damaged in installation and by acidic materials.


This product can be supplied pre-fitted to laterals, which increases its ease of installation.

Universal design

This product can be fitted to all known 7" saddles and therefore can be retro-fitted into any existing 7" dome installation.

Low back pressure

This ensures highly efficient operation which results in low energy consumption and reduced operational costs.

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