
Land & Water 20" x 4.5" 3-Stage Water Filter Replacement Aragon Kit
Land & Water 20" x 4.5" 3-Stage Water Filter Replacement Aragon Heavy Metal Kit
Upgrade your water quality with the Land & Water 3-Stage Aragon Replacement Cartridge Kit—our most advanced solution for households seeking comprehensive protection from bacteria, viruses, heavy metals, chlorine, and sediment. Designed for 20" x 4.5" Big Blue whole house systems, this premium-grade kit is ideal for rainwater, bore, spring, creek, or even mains water where water safety is a top priority.
With the Aragon UltraSafe filter as the final stage, this kit uses multi-process European filtration technology to deliver unparalleled contaminant reduction, making it ideal for families, rural properties, or anyone wanting water they can truly trust.
WHATS INCLUDED
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Stage 1 – 5 Micron Grooved Polyspun Sediment Filter
Removes large and fine particles like sand, rust, and silt using a grooved dual-gradient structure. This design maximises surface area for longer filter life and better flow. -
Stage 2 – 5 Micron Carbon Block Filter Cartridge
Reduces chlorine, taste, odour, and organic chemicals using a high-quality food-grade carbon block with radial flow design for maximum contact time. -
Stage 3 – 2 Micron Aragon UltraSafe Anti-Bacterial Filter Cartridge
Combines mechanical filtration, adsorption, ion exchange, and electric adsorption to remove viruses, bacteria (e.g. E. coli, Pseudomonas), heavy metals (lead, cadmium, aluminium), pesticides, chlorine, and more. Made in Europe with patented SGS polymer technology and silver additive for bacteriostatic protection.
BENEFITS
- Ultra-premium filtration – protects against bacteria, viruses, heavy metals, and more
- Ideal for non-treated water such as rainwater, bore, or spring water
- Compatible with all 20" x 4.5" Big Blue housings
- Each cartridge individually sealed for freshness and hygiene
- Provides cleaner, safer water at every tap in your home
Recommended Replacement: Every 6–12 months depending on water quality and household usage.