Official Replacement filter for SURVIVOR FILTER™ Home - Max, Stage 1 Fluoride Filter 1.5 year replacement Fluoride Filter for the Max 2-Stage Home Filter . Certified by the WQA (Water Quality Association) to show 95% removal of fluoride in municipal tap water. Specifications: Product SKU#: H200-S1F Capacity: up to 1,700 gallons (6,435.2 liters) Water Temperature: 40°F-100°F (6°C-37°C) Flow Rate: up to 0.5 GPM (3.7 LPM) Water Pressure: 206-861 KPA (30-125 PSI) Size: 12.5x2.5" Weight: 0.57kg Components: Max, Stage 1 Replacement Fluoride Filter