MANN+HUMMEL Water & Fluid Solutions (previously MICRODYN-NADIR) , , Environmental XPRT News Environmental XPRT Downloads About Solutions products applications industries software Publications videos articles Latest news Downloads Home Companies & Suppliers MANN+HUMMEL Water & Fluid Solutions ... Downloads BIO-CEL® XL Modules BIO-CEL® XL Modules World‘s largest submerged BIO-CEL® MBR module for biological wastewater treatment Placeholder Placeholder Placeholder Placeholder Placeholder