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• 5” diameter coarse bubble diffusers
• Upgrade for smaller diameter diffusers
• Designed to prevent blowout
• High-capacity airflow ranges to 20 cfm
Environmental Dynamics PermaCap 5 diffuser design offers greater unit capacity over small diameter diaphragm, coarse bubble diffusers. The body is ABS, and diffusers are available with both 3/4” and 3/8” MNPT connections. The EPDM membrane is mechanically locked in place to prevent blowout. Airflow range is 0–20 cfm. Made in USA.