Each BC-416 module includes 104 flexible, flat-sheets, or elements. The total membrane area is 416m2 or 4,476ft2. The membrane type is ultrafiltration (UF) with a nominal pore size of 0.04m. The membrane material is PES. Modules come equipped with silicone fine-bubble diffusers for air scouring. BIO-CEL® received Title 22 approval for MBR applications in 2008. It has been approved for the highest type of reuse applications and is installed in more than 500 plants around the world.