Genuine Frigidaire PureSource Ultra II Refrigerator Water & Ice Filter (Model EPTWFU01). This high-quality filtration system is certified to reduce up to 99% of contaminants, including lead, mercury, asbestos, and chlorine taste or odor, ensuring safer and great-tasting water for your home. Key features include: – NSF/ANSI Standards 42, 53, and 401 certification. – Recommended replacement every 6 months or 125 gallons. – Easy installation with push-and-twist design. – Authentic Electrolux Home Products item. Condition: New in original retail packaging. The box shows some light shelf wear, but the filter is unused and factory sealed.