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 reduction, and anti-scale protection, making it ideal for extending the life of your plumbing and appliances.
Package Includes:
✔ 1 x 20” x 4.5” 1 Micron Gradient-Density Sediment Filter Cartridge
✔ 1 x 20” x 4.5” 1 Micron Coconut 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
• 1 Micron Gradient-Density Sediment Filter – Outer loose and inner tight structure captures both large and fine particles
• 1 Micron Coconut Carbon Block Filter – Effectively reduces chlorine, taste, and chemical contaminants
• 0.5 Micron Anti-Scale Carbon Block Filter – 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.