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Twin Big Blue HIGHGRADE 20" x 4.5 Whole House Inc Cover & Stand!
Twin 20” x 4.5” Big Blue Whole House System – High-Grade (Includes Filters)
*Suits Outdoor Installation with Stainless Steel Cover for protection
Ideal for Homes with 2 or More Bathrooms
Built for larger households and high water demand, this is a high-flow, heavy-duty whole house filtration system engineered for Australian conditions.
Fully Certified – Australian WaterMark Approved
This product is 100% tested, certified and awarded Australian WaterMark approval, complying with strict Australian plumbing regulations.
WaterMark certification is legally required before a licensed plumber can install a filtration system in your home.
When you choose this system, you gain peace of mind knowing:
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It complies with Australian plumbing codes
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It is rated for Australian mains pressure
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All components are independently tested and verified
Unfortunately, many homeowners have suffered costly flood damage after installing cheaper, non-WaterMark approved systems purchased online. This system is designed to eliminate that risk.
Now Upgraded
✔ Includes 2 Pressure Gauges so you can monitor pressure and filter condition
✔ Includes Solid Brass Ports – Tough as Tonka
✔ Built for durability and high-pressure performance
Built to the Highest Standards
Every system is:
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Hand-built and pressure tested in Sydney
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Manufactured using premium American, British and Australian components
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Verified by independent laboratory testing
With decades of experience, we confidently provide some of the highest standards in whole-house water filtration technology.
Premium Construction Ensures
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✔ 100% BPA-Free plastics
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✔ High burst pressure rating (90 PSI)
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✔ UV-stabilised housings
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✔ Built for long-term reliability
System Dimensions
Height: 700mm
Width: 400mm
Depth: 200mm
Updated Special – Choose Your Carbon Media
You now have the option to select from two different carbon filter media types.
High-Grade Carbon – 0.5 Micron
Suitable for tank water and town water supplies.
Removes:
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Chlorine
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Taste, colour and odour
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Giardia & Cryptosporidium cysts
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Lead
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Heavy metals
This is the high-range, high-flow configuration, designed for high-use households requiring superior contaminant reduction.
What’s Included
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Twin 20” x 4.5” Big Blue housings
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Sediment filter (Stage 1)
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0.5 Micron High-Grade Carbon Filter (Stage 2 – if selected)
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Dual pressure gauges
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Brass ports
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Heavy-duty mounting bracket
DELIVERY ANYWHERE IN AUSTRALIA IS $10.00 OR TO NEW ZEALAND IS $20.00 up to 1.5kg
Click here to see our super special package Reverse Osmosis filter and Alkaliser
