Expires January 2027. Brand new. The disposable Hollow Fiber Membrane Filter MF is an FDA Medical Device and EPA Registered Pest Control Device that protects against dangerous waterborne pathogens such as Legionella and Pseudomonas. For use in hospitals, clinics, and other medical facilities such as skilled nursing and adult care facilities. Recommended for areas at high-risk for hospital-acquired infections (HAIs) such as ICU, neonatal, oncology, burn, and transplant units.