- 5" diameter coarse bubble diffusers.
- Upgrade for smaller diameter diffusers.
- Designed to prevent blowout.
- High capacity airflow ranges to 20 cfm.
Environmental Dynamics Inc. 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.
Note: Diffusers are also known as airstones.