• Compatible with Berkey BB9-2 black purification element and PF-2 White fluoride replacement filter,（not sourced by or sponsored by Berkey）Compatible with various Berkey models, including the Travel Series, Large Series, Royal Series, Crown Series, and other gravity filtration systems
• Black Activated Carbon Filter Coarse filtration of large volume impurities using activated carbon.White Fluoride Filter Filter small particles more finely.High-efficiency filtration: Effectively reduces fluoride and arsenic, absorbs odor, color, residual chlorine, heavy metals, and improves taste.
• The filter has passed NSF/ANSI 42 certification.Food-grade materials: Made with lead-free and BPA-free materials for safe and healthy water filtration.
• Service life: Filters should be replaced every 6000 gallons per pair for the BB9-2 filters and every 1000 gallons per pair for the PF-2 Fluoride filters, ensuring optimal performance.
• Warranty: Please contact us in time if it is found to be of poor filtering problem, and we will replace it with a new one to you