AZUD HELIX SYSTEM is the filtration range based on minimum maintenance and maximum filtration security. Optimization of performance and minimum frequency and intensity of maintenance tasks. 1. AZUD HELIX system Clogging 2. Filtration with discs, maximum safety 3. Modularity 4. Made of technical plastic 5. Low maintenance 6. Exclusive butterfly closing system of the filter element, which allows easy decompression of the stack of discs for cleaning. Convenient to use and, in turn, prevents accidental loss of discs. 7. Saving water and energy For more details please visit: https://shop.harvelgreens.com/products/azud-helix-system