PRODUCT SPECIFICATION SHEET EDI FlexAir® PermaCap™ Coarse Bubble Diffuser Unit Greater unit capacity over other small diameter diaphragm coarse bubble diffusers at less cost • Low capital and maintenance cost • 5 inch diameter for greater air distribution • Engineered air outlet orifices • Non-clog design • Membrane interlock feature prevents blow out • Optional UDM for non-threaded connections • Units IN STOCK for immediate shipment • Durable ABS body & membrane retainer ring • 3/8 inch or 3/4 inch NPT (male) connection • UV Protection • Advanced Technology EPDM Membrane 2 • Internal check valve to prevent entry of solids into piping 5 • Promotes fluid interaction with maximum bubble formation and dispersion 1 • Preferred mounting on bottom of air piping • High airflow capacity 3 6 4 1. Threaded connector 3/4 inch NPT (male) Inlet 2. ABS Diffuser Body 3. Inlet Orifice 4. ABS Retainer Ring - 5” Diameter 5. Check Valve 6. Premium Quality EPDM Membrane w w w.w a s t e w a t e r. c o m Environmental Dynamics International 052711 Value Solutions Since 1975

PRODUCT SPECIFICATION SHEET EDI PermaCap™ diffusers are ideal for aeration applications where intermittent coarse bubble operation is desired. PermaCap units are available with either 3/8 inch or 3/4 inch NPT threaded (male) inlet to allow quick and simple installation into threaded pipe applications. Optional UDM (Universal Diffuser Mount) is available for non-threaded applications. Units particularly well suited for single drop pipe installations in package treatment plants and channel aeration. long-term trouble free operation. The flexible membrane features a non-perforated area that is directly...