Twin 20″ Big Blue Whole House Rainwater Filtration System with Stainless Steel Stand & Weatherproof Cover
The Twin 20″ Big Blue Whole House Rainwater Filtration System with Stand and Weatherproof Cover is a premium two-stage water filtration solution designed for Australian homes, farms and rural properties using rainwater tanks or mains water supplies.
Featuring a 5-micron washable sediment filter and a 5-micron silver-impregnated carbon block filter, this system helps reduce sediment, chlorine, unpleasant tastes and odours while providing bacteriostatic protection within the carbon filter media.
Supplied with a stainless steel stand and weatherproof cover, the system provides a practical, protected installation option for properties where filtration equipment needs to be positioned outdoors.
The larger 20″ × 4.5″ Big Blue filter cartridges provide increased filtration surface area compared with equivalent 10-inch systems, making this a practical option for whole-house water filtration.
Two-Stage Water Filtration Process
Stage 1 – 5-Micron Washable Sediment Filter
The first stage features a 20″ × 4.5″ 5-micron pleated washable sediment cartridge.
This filter helps capture:
- Dirt, sand and silt
- Rust and suspended particles
- Sediment commonly found in rainwater tanks
- Particulate matter entering household plumbing
Removing sediment at the first stage helps improve water clarity and protect the second-stage carbon cartridge from premature sediment build-up.
The washable pleated design allows the cartridge to be cleaned and reused according to the manufacturer’s instructions.
Stage 2 – 5-Micron Silver-Impregnated Carbon Block Filter
The second stage features a 20″ × 4.5″ 5-micron silver-impregnated carbon block cartridge.
The activated carbon helps reduce chlorine, unpleasant tastes, odours and certain organic contaminants, depending on water quality and cartridge performance.
Silver impregnation provides bacteriostatic protection, helping inhibit bacterial growth within the filter media.
This makes the system particularly suitable for rainwater and tank water filtration applications where sediment and carbon filtration are required.
Stainless Steel Stand & Weatherproof Cover
A key feature of this system is its stainless steel stand and weatherproof cover, providing a convenient installation arrangement for outdoor filtration applications.
Benefits Include
- Stainless Steel Stand: Provides a sturdy support structure for the filtration equipment.
- Weatherproof Cover: Helps shield filter housings and associated components from outdoor weather exposure.
- Practical Installation: Suitable for positioning near rainwater tanks, pumps or household water supply connections.
- Convenient Maintenance: Allows the filtration equipment to be housed together in a dedicated unit.
- Professional Presentation: Provides a tidy, organised filtration setup.
Key Features & Benefits
- Twin 20″ Big Blue Filter Housings: Large-capacity housings for whole-house water filtration.
- Two-Stage Filtration: Combines sediment removal with activated carbon filtration.
- 5-Micron Washable Sediment Filter: Helps capture dirt, rust, sand, silt and suspended particles.
- 5-Micron Silver Carbon Block: Helps reduce chlorine, unpleasant tastes and odours while inhibiting bacterial growth within the filter media.
- Whole House Rainwater Filtration: Suitable for filtering stored rainwater before household distribution.
- Mains Water Filtration: Helps improve the taste and clarity of mains water.
- Stainless Steel Stand: Provides a dedicated support structure.
- Weatherproof Cover: Helps protect filtration components from outdoor exposure.
- Two Pressure Gauges: Allow convenient monitoring of system pressure.
- Filter Spanner Included: Assists with cartridge replacement and maintenance.
Ideal for Rainwater Tank Filtration
Rainwater collected from roofs and stored in tanks can contain dirt, sediment and organic matter.
The Twin 20″ Big Blue rainwater filtration system combines sediment and carbon filtration to help improve water clarity, taste and odour before water is distributed throughout the home.
The stainless steel stand and weatherproof cover make it a practical option for properties requiring an outdoor filtration installation.
Recommended Applications
- Whole house rainwater filtration
- Rainwater tank filtration
- Mains water filtration
- Rural homes and farms
- Off-grid properties
- Outdoor filtration installations
- Pre-filtration before UV disinfection
- Household sediment and carbon filtration
Rainwater & Mains Water Filtration
For rainwater supplies, the washable sediment cartridge helps capture suspended particles, while the silver-impregnated carbon cartridge provides additional filtration and bacteriostatic protection within the filter media.
For mains water supplies, the system helps reduce sediment, chlorine, unpleasant tastes and odours.
Important: This system does not include UV disinfection. Silver-impregnated carbon filtration is not a substitute for water disinfection, and untreated rainwater intended for drinking may require additional treatment.
Why Buy From Aus Water Tanks?
Over 30 Years of Rainwater Industry Experience
With over 30 years of experience in the Australian rainwater industry, Aus Water Tanks supplies practical water filtration solutions for homes, farms and businesses.
Our range includes whole house water filtration systems, rainwater filtration systems, reverse osmosis drinking water systems and replacement cartridges.
Quality Filtration at Competitive Prices
As a family-run Australian business, we focus on supplying quality filtration equipment at competitive prices.
Our experienced team can assist with choosing filtration products suited to your water supply and household requirements.
Complete Rainwater Solutions
Aus Water Tanks also supplies rainwater tanks, water pumps, filtration accessories and replacement filter cartridges.
We understand how rainwater storage, pumping and filtration equipment work together.
Australia-Wide Delivery
Aus Water Tanks supplies whole house rainwater filtration systems, mains water filters and replacement cartridges Australia-wide.
Contact our experienced team for product advice, availability and freight options.
Experience You Can Rely On
With over 30 years of industry experience, Aus Water Tanks combines quality products, competitive pricing and practical filtration knowledge.
Shop Online and Save – Australia-Wide Delivery
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