Product Specification Sheet EDI FlexAir® Threaded Disc Fine Pore Flexible Membrane Technology FlexAir Disc diffuser incorporates EDI advanced membrane technologies for superior aeration performance, flexibility, and reliability • Precision die cut openings for high oxygen transfer, uniform air release, and low operating pressure • High capacity membrane option available for maximum airflow and low operating pressure • Advanced technology premium quality membrane materials available in EPDM and other special polymer blends • Triple check valve design prevents entry of liquid/solids into piping. Ideal for on / off applications • Resistant to fouling and plugging for low maintenance • Economical capital cost and ease of installation • Rugged heavy duty construction • Glass fiber reinforced polypropylene construction for maximum chemical, temperature, and UV resistance • Mounts on any pipe material (PVC, ABS, CPVC, SS, etc.) or size with EDI Universal Diffuser Mount (UDM) or standard 3/4 inch FPT (female) connection • Standard units IN STOCK for immediate shipment • Patented EZSeal for quick hand tight seal 7 3 4 5 1 2 6 8 1. Threaded Connector 3/4 inch NPT (male) Inlet 2. Diffuser Body 3. Flexible Membrane Media 4. Membrane Retainer Ring 5. 6. 7. 8. Primary Check Valve Feature Air Inlet Orifice Die Cut Perforations EZSeal™ w w w.w a s t e w a t e r. c o m Environmental Dynamics International 010112 aeration for life™

Product Specification Sheet EDI FlexAir® disc diffusers are fine pore, flexible membrane diffusers that provide operational flexibility with maximum oxygen transfer efficiency. air handling capacity, or operating pressure. An integral triple check valve feature prevents the backflow of liquid into the diffuser and piping. The diffuser assembly is constructed of glassfiber reinforced polypropylene for maximum performance. This material option offers greater mechanical and temperature capabilities than conventional PVC or CPVC products. The FlexAir disc diffuser is provided with premium quality...