Coarse Bubble Disc Diffusers – CAP 75

• This excellent diffuser from SSI is a non-clog type that automatically closes and seals completely when air is turned off.
• SSI AFC75 diffuser unit has an operating head loss of approximately 5-20inches of water when operated in normal airflow ranges (3 to 6 scfm normal).
• Caps are most commonly used in aerobic digesters and equalization tanks where high rate oxygen transfer efficiency is not required.
• They are manufactured from black Acetyl plastic containing UV protection and membranes are made from the same EPDM compound that SSI uses in fine bubble disc diffusers.
• SSI’s Cap diffuser is a non-clog design and operates well under intermittent and continuous conditions.

SSI AFC 75 diffuser comes with the EPDM and PTFE membranes for the longer life duration.