Whole House 3-Stage Soft Water Pack & Hard Water Pack

Please note: If you choose a monthly payment plan, filters will be shipped after the final monthly payment is completed. This option is ideal for Clean Water Warehouse customers who already have a whole house system installed and want to prepay gradually.

Want your filters right away? Choose the outright purchase option.

Improve the quality of your household water with our 3-stage filter pack, available in both soft water and hard water configurations. This pack includes three high-performance 20" x 4.5" Big Blue filters, carefully selected to reduce sediment, chlorine, heavy metals, odours, and improve overall water taste — all while maintaining strong flow throughout your home.

Compatible with standard triple-stage Big Blue housings, this is a great choice for homeowners who want a reliable, high-capacity replacement filter solution built for Australian conditions.

Key Benefits

• Suitable for both soft and hard water – choose the pack that suits your supply

• Helps reduce chlorine, heavy metals, odours, and sediment

• Improves water taste for drinking, cooking, and bathing

• Supports appliance longevity and plumbing health
  Filters last up to 12 months depending on usage and water quality

• Designed for use in standard 20” x 4.5” triple housing systems

• Backed by a 2-year warranty on performance and materials

What’s Included – 3-Stage Filtration Pack

Stage 1 – 5 Micron Poly Spun Sediment Filter
Removes rust, dirt, sand, and larger particles to protect the system and improve lifespan.

• Micron Rating: 5

• Flow Rate: Up to 120 L/min

• Material: Polypropylene

Stage 2 – 20 Micron Carbon Block Filter (Low Pressure Drop)
Reduces chlorine and chemicals while maintaining a strong flow rate.

• Micron Rating: 20

• Material: Coconut Shell Carbon

Stage 3 – 5 Micron 100% Coconut Carbon CTO Filter
Removes residual chlorine, odours, and VOCs for final water polishing.

• Micron Rating: 5

• Material: 100% Coconut Carbon

Each filter measures 20” x 4.5” and fits all standard Big Blue systems.

Installation & Compatibility

• Fits all standard 20” x 4.5” Big Blue triple filter housings

• Can be used as replacement filters or as a full pack

• No specialised tools required for filter replacement

Delivery & Support

• Fast, Australia-wide shipping

• Same-day dispatch available for Perth metro (before 12pm)

• Built-in support – reach out for guidance on installation or filter selection

• Backed by our product quality guarantee and 2-year material warranty