Green Electra Enviro Tech

AFM glass media is manufactured from a specific glass type and processed to obtain the optimum particle size and shape. It is then activated to increase the surface area by 300 times over crushed glass or sand.
AFM glass media is the only activated glass filter media available, and is more efficient and cost-effective than any other filtration media. AFM glass media is certified under Regulation 31 in the UK and International NSF61.It is also in compliance with European Water Directive

Advantages:

• 100% resistant to bio-fouling
• Filters twice as good as sand
• Very short pay back
• Long life span
• Ecological and economical solutions

Operating criteria:

Recommended filtration speed: 15 - 30 m/h
Air purge: 60 - 100 m/h (if necessary)
Backwash: 40 - 50 m/h
Desired filter bed expansion: at least 15 %