20” x 4.5” Big Blue Whole House Water Filter Replacement Cartridges | Cyst Lead Fluoride Limescale Removal 1045co ensuring a cleaner and longer-lasting

ensuring a cleaner and longer-lasting filter

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

5” size fits whole-house filtration systems

using mechanical filtration to trap particles and catalytic carbon to remove modern contaminants like chloramine and PFAS

while the antibacterial filter media helps reduce microbial growth on the filter surface

20” x 4.5” Big Blue Whole House Water Filter Replacement Cartridges | Cyst Lead Fluoride Limescale Removal 1045co ensuring a cleaner and longer-lasting20 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