Engineered for Electrolux refrigerators with Pure Advantage ice and water filtration systems, this model EWF01 filter is a factory original OEM that has been through rigorous testing. NSF International is a premiere independent public health testing organization that has awarded the EWF01 water filter a passing grade against Standard 42 and 53. Due to these certifications by NSF, the EWF01 filter offers tremendous protection to you and your family's water supply. This filter protects your water against chlorine taste, chlorine odor, cysts, lead, turbidity, particulate, and other potentially harmful chemicals. As your water is cleansed by this factory original OEM, you won't have to wait long to receive a fresh glass of water; this filter pumps out half a gallon per minute. This filter features an easy installation system and should be changed regularly every six months.