## Big Blue Triple 20″ × 4.5″ Whole House Water Filtration System
The **Big Blue Triple 20″ × 4.5″ Whole House Water Filter** provides three-stage filtration for homes, farms and rural properties.
Ideal for **rainwater tanks and mains water**, this high-flow system helps reduce sediment, chlorine, unpleasant tastes and odours.
It also includes a stainless steel stand and weatherproof cover for protected outdoor installations.
### Three Stages of Filtration
**Stage 1 – 5-Micron Washable Sediment Filter**
Captures dirt, rust, sand and suspended particles. The washable cartridge makes regular maintenance easier.
**Stage 2 – 1-Micron Triple Action Nano Zinc Filter**
Combines fine sediment filtration with coconut-based activated carbon. It helps reduce chlorine, tastes and odours. Nano Zinc technology also helps inhibit bacterial growth within the filter cartridge.
**Stage 3 – 1-Micron Carbon Block Filter**
Provides additional fine filtration and helps reduce chlorine, unwanted tastes and odours.
### Key Features & Benefits
– Three premium 20″ × 4.5″ Big Blue filter housings.
– Three-stage sediment and carbon filtration.
– Suitable for rainwater tanks and mains water.
– Stainless steel stand and weatherproof cover.
– Three pressure gauges for monitoring water pressure.
– Washable sediment cartridge for easier maintenance.
– Ideal for homes, farms and rural properties.
– High-flow design for whole house applications.
**Important:** This system does not include UV disinfection. Untreated rainwater may require additional treatment before drinking.
### Why Buy From Aus Water Tanks?
With over **30 years of water industry experience**, Aus Water Tanks supplies quality water filtration systems at competitive prices.
Explore our [replacement filter cartridges](https://auswatertanks.com.au/product-category/whole-house-water-filters/replacement-filter-cartridges/) and [whole house filtration systems](https://auswatertanks.com.au/product-category/whole-house-water-filters/).
**Shop Online and Save – Australia-Wide Delivery**
www.auswatertanks.com.au
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