Product Specification Sheet EDI FlexAir® Disc with Spectrum™ Saddle Mount Fine Pore Flexible Membrane Technology FlexAir® Disc diffusers incorporate EDI advanced technologies for superior aeration performance, flexibility, and reliability. • Precision die cut openings for high oxygen transfer, uniform air release, and low operating pressure • Glass fiber reinforced polypropylene construction for maximum chemical, temperature, and UV resistance • High capacity membrane option available for maximum airflow and low operating pressure • Spectrum™ Saddle Mount provides ease of installation and maintenance • Advanced technology premium quality membrane materials available in EPDM, special polymer blends, and convertible to ceramic media as required • Available in 3 inch, 4-inch, 90 mm and 110 mm pipe sizes for design flexibility • Full 9-inch (230 mm) of active surface area • Triple check valve design prevents entry of liquid/solids into piping. Ideal for on / off applications • Resistant to fouling and plugging for low maintenance • KlicLoc™ retainer for positive mechanical lock • Mounts on any pipe material (PVC, ABS, CPVC, SS, etc...) • Standard units IN STOCK for immediate shipment 3 • Rugged, heavy-duty construction – withstands over 700 lb (320 kg) edge load without failure 8 6 4 2 7 5 1 1. 2. 3. 4. Saddle Mount with KlicLoc™ Retainer Primary Check Valve Feature Flexible Membrane Media Membrane Retainer Ring w w w.w a s t e w a t e r. c o m Environmental Dynamics International 010112 5. Diffuser Body 6. Backer Plate 7. Air Inlet Orifice 8. Die Cut Perforations aeration for life™

Product Specification Sheet The FlexAir® disc diffuser provides unmatched mechanical strength, operating flexibility and oxygen transfer efficiency. The innovative Spectrum Saddle Mount provides maximum mechanical integrity – up to three times the strength of conventional solvent welded mounting systems. The FlexAir disc diffuser allows easy conversion to ceramic media as required and all diffusion media options (ceramic and membrane) are compatible with other 9 inch disc diffusers. The diffuser assembly and Spectrum Saddle Mount is available in glass-fiber reinforced polypropylene for maximum...