Recommended usage: Replace fridge filters every 6 months for optimal performance in water and air filtration
Authentic replacement item: Specifically designed to work with Frigidaire refrigerators
Certifications: NSF Standard 42, 53, and 401 certified for reducing various contaminants
Compatibility: Compatible with PureSource Ultra and Pure Air Ultra systems. Installation Method: Push and lock
Installing: Follow instructions for proper fit. Package color may vary. Easy Installation: No tools needed. PAULTRA: tear edge, pull window, mark month, place in fridge. ULTRAWF reduces various contaminants like Chlorine, Lead, Mercury, BPA, and more.