20” x 4.5” Big Blue Whole House Water Filter Replacement Cartridges | Cyst Lead Fluoride Limescale Removal 1045co rust and PFAS

rust and PFAS

5” size fits whole-house filtration systems

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

ensuring a cleaner and longer-lasting filter

pH range for continuous operation: 2–11

20” x 4.5” Big Blue Whole House Water Filter Replacement Cartridges | Cyst Lead Fluoride Limescale Removal 1045co rust and PFAS20 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