20” x 4.5” Big Blue Whole House Water Filter Replacement Cartridges | Cyst Lead Fluoride Limescale Removal 1045co Post-Carbon Filter – Lifespan: Up

Post-Carbon Filter – Lifespan: Up to 1 Year – Polishes water by removing residual impurities

3-Stage | WaterMark Certified | UV Flow Rate: 55L or 80L/min | Ideal for Rain Tank Water

5” size fits whole-house filtration systems

pH range for continuous operation: 2–11

specifically designed for efficient sediment and chlorine removal in town water systems

20” x 4.5” Big Blue Whole House Water Filter Replacement Cartridges | Cyst Lead Fluoride Limescale Removal 1045co Post-Carbon Filter – Lifespan: Up20 x 4. 5 Big Blue Whole House Water Filter Replacement Cartridges Cyst Lead Fluoride Limescale Removal Product Introduction This advanced 3 stage replacement cartridge set is designed for 20 x 4. 5 Big Blue whole house systems, offering full spectrum filtration for households using town water or rainwater. It combines deep sediment filtration with dual stage carbon protection to target chlorine, lead, fluoride, cysts, odour, rust, and