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Defender® Regenerative Media Filtration – The Difference is Clear

Sand filtration used to be the technology of choice for aquatic facility operators but regenerative media filtration (RMF) has started making significant strides in the recreational pool industry. It is the clear leader in water clarity** as well as supports a safer and more enjoyable swimmer environment.

Particle Removal Efficiency and Water Quality
Neptune Benson’s Defender RMF technology can achieve 1 micron filtration at a higher efficiency compared to sand filtration. This is critical as one of the leading causes of waterborne illness in humans in the US, Cryptosporidium,+ range in size from 4.5-5.5 micron.

Footprint Savings
There is also significant footprint savings by switching from sand filtrations to RMF – as much
as 75%.  Construction costs for new or retrofit applications are minimized with the Defender RMF system’s smaller footprint and as an added benefit, more space for storage is freed up. 

Operational Cost Savings and Sustainability
Defender RMFs do not require backwashing, rather they automatically “bump” and regenerate the media for a fresh start without wasting water to drain^ – saving up to 90% water. Eliminating backwashing also translates to up to 30% chemical savings by not having to chemically re-treat water being sent down the drain. Additionally, Defender filters require less power to operate – saving up to 50% in energy costs. Water, chemical and energy savings not only mean lower operational costs, but also a more sustainable solution which is becoming an increasingly important consideration for facilities today.  
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*Clarity shown for sand filters may not be representative of all sand filter facilities.
**Water clarity may be affected by conditions other than particles.
+(2019, July 1) Parasites – Cryptosporidium (also known as “Crypto”). Centers for Disease Control and Prevention. https://www.cdc.gov/parasites/crypto/index.html - :~:text=While%20this%20parasite%20can%20be,humans%20in%20the%20United%20States.
^Water is sent to drain during perlite media change which on average occurs every 4 weeks depending on bather load.
Evoqua makes no claim that the Defender RMF is a disinfectant device.
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Melissa Fadler, Marketing and Member Engagement Director, AOAP, melissa@aquaticpros.org (content manager)
Juliene R. Hefter, Executive Director/CEO, AOAP, 262-894-9772, juliene@aquaticpros.org