Replacement BigFlow 1 Gravity Filter Fluoride and Carbon

Keep your BigFlow 1 gravity water filter running at peak performance with this replacement set designed for fluoride and carbon reduction. Includes 2 fluoride filters and 2 carbon filters for effective multi-stage filtration. Helps improve water taste and clarity while supporting a cleaner drinking experience. Easy to install and fully compatible with BigFlow 1 systems.

Carbon Filter Cartridges × 2

Fluoride Filter Elements × 2

Carbon Filter Cartridges (×2)

Made with activated carbon, silver ions, and UF membrane to reduce chlorine, rust, sediment, odors, and particles.

Lifespan: up to 6,000 gallons per pair (depending on water quality)

Fluoride Filter Elements (×2)

Additional filtration layer designed to help reduce fluoride and further improve water purity.

Lifespan: typically 6–12 months (varies based on usage and water conditions)

Estimated Delivery: 8–12 Business Days

Each product is prepared and tested before shipment. Tracking information will be provided once your order ships.

Shipping Areas: U.S. only. We currently do not ship to American Samoa, Micronesia, Guam, Marshall Islands, Northern Mariana Islands, Palau, Puerto Rico, or the U.S. Virgin Islands.

Alaska & Hawaii: Available for select products with an additional shipping fee.