20” x 4.5” PFAS Chloramine Scale Whole House Water Filter Cartridges | 3-Stage Sediment Carbon | Ideal for Heavy Chlorine Hard Water

20” x 4.5” Big Blue Whole House Water Filter Cartridges | 3-Stage Replacement | Anti-Scale Protection | Ideal for Heavy Chlorine & Hard Water Advanced Filtration for Hard Water & Chlorine – Ideal for Whole House Systems Upgrade your home’s water filtration with this 3-stage 20” x 4.5” Big Blue Whole House Filter Cartridge Set, specially designed for hard water and high chlorine conditions. This powerful set combines fine sediment removal, chlorine and chloramine reduction, and anti-scale protection—helping extend the life of your plumbing and appliances while improving water quality. Package Includes: ✔ 1 x 20” x 4.5” 5 Micron Gradient-Density Sediment Filter Cartridge ✔ 1 x 20” x 4.5” 0.5 Micron PFAS Chloramine Carbon Block Filter Cartridge ✔ 1 x 20” x 4.5” 0.5 Micron Anti-Scale Coconut Carbon Block Filter Cartridge Key Features: • 3-Stage Filtration Compatibility – Ideal for first, second, and third-stage filtration in Big Blue systems • 5 Micron Gradient-Density Sediment Filter – Outer loose and inner tight structure captures both large and fine particles • 0.5 Micron PFAS Chloramine Carbon Block – Effectively reduces chloramine, PFAS, chlorine, taste, and chemical contaminants • 0.5 Micron Anti-Scale Coconut Carbon Block – Removes chlorine, VOCs, and helps inhibit limescale buildup in pipes and appliances • Universal Fit – Compatible with all standard 20” x 4.5” Big Blue whole house filtration housings • Safe & Reliable – Made from food-grade, BPA-free materials • Long Filter Life – Up to 12 months, depending on water quality and usage • Improves System Efficiency – Reduces sediment and scale, enhancing the performance and lifespan of your filtration system Why Choose This Filter Set? This 3-stage cartridge pack is specifically engineered for chlorine-rich and hard water environments. It provides progressive sediment filtration, dual carbon filtration, and anti-scale functionality—perfect for protecting your pipes, boosting water quality, and maintaining flow rate. ✅ Suitable for residential, office, or commercial whole house systems.