Dryden Aqua
AFM® Activated Filter Media

What is AFM®?

AFM® Activated Filter Media is a direct replacement for sand, doubling the performance of sand filters without the need for additional investments in infrastructure. AFM® resists biofouling, bio coagulation and transient wormhole channelling of unfiltered water and outlasts all other filter media.

AFM®is a highly engineered product manufactured from a specific glass type, processed to obtain the optimum particle size and shape. It is then exposed to a 3-step activation process to increase its surface area and to acquire superior adsorption properties.

AFM® Activated Filter Media

Product Features

more than doubles the performance of an existing filtration system
is not subject to biodynamic instability and will never allow untreated water to pass
substantially lowers chlorine oxidation demand
lowers backwash water demand by an average of 50%
is expected to last for the life of the filtration system
provides a quick return on investment

What Makes AFM® so Effective?

1. Clean, carefully selected glass
AFM® is only made from pure green and brown glass which have the necessary metal oxides to help make AFM® self-sterilising.

2. Ideal hydraulic properties
The raw material is ground into the optimal grain size and shape, crucial for the outstanding hydraulic properties of AFM®.
No dangerous glass splinters are allowed to be present in the filter material. Our manufacturing process is ISO certified.

3. Activation process
The AFM®activation process creates a mesoporous structure with a huge catalytic surface area for greater adsorption and catalytic reactions. Hydroxyl groups on the surface give AFM® a strong negative charge, known as the zeta potential, that attracts heavy metals and organic molecules. In the presence of small amounts of oxygen or oxidising agents, the catalytic surface generates free radicals that make AFM® self-sterilising.

Product Features

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