20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard - Shield Water Filter
20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard - Shield Water Filter
Triple Whole House Rain Tank Water Filter System Ultraviolet Sterilizer Kill Bacteria Parasites Viruses | WaterMark Certified | 20" x 4.5" - Shield Water Filter
Whole House Water Filter System 20" x 4.5" Ultraviolet UV Sterilizer Nano Silver - Shield Water Filter
Triple Whole House Rain Tank Water Filter System Ultraviolet Sterilizer Kill Bacteria Parasites Viruses | WaterMark Certified | 20" x 4.5" - Shield Water Filter
20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard - Shield Water Filter
20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard - Shield Water Filter
20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard - Shield Water Filter
20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard - Shield Water Filter
20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard - Shield Water Filter
Triple Whole House Rain Tank Water Filter System Ultraviolet Sterilizer Kill Bacteria Parasites Viruses | WaterMark Certified | 20" x 4.5" - Shield Water Filter
Whole House Water Filter System 20" x 4.5" Ultraviolet UV Sterilizer Nano Silver - Shield Water Filter
Triple Whole House Rain Tank Water Filter System Ultraviolet Sterilizer Kill Bacteria Parasites Viruses | WaterMark Certified | 20" x 4.5" - Shield Water Filter
20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard - Shield Water Filter
20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard - Shield Water Filter
20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard - Shield Water Filter

20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard

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20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard - Shield Water Filter

20” x 4.5” Rain Tank Whole House Water Filter System UV Sterilizer | WaterMark Certified | Australian Standard

20” x 4.5” Whole House Water Filter System + UV Sterilizer

3-Stage Wall Mount | WaterMark Certified | Ideal for Rain Tank Water | UV Flow Rate: 55L or 80L per Min


Clean, Safe Water for Your Entire Home

Upgrade your water quality with this heavy-duty 3-stage whole house filtration system, designed for Australian homes using town water. With WaterMark-certified housings, antibacterial or anti-scale options, and a high-performance UV sterilizer, it delivers superior protection against chlorine, sediment, odours, and microbial risks.

⚠️ Important: Not suitable for direct sunlight. Please install in a shaded or undercover outdoor area (e.g. garage, shed). For outdoor direct exposure, choose the version with a stainless steel cover.


🔧 What's Included:

  • ✔ 3-Stage Filter Housing System (fits standard 20” x 4.5” Big Blue cartridges)

  • ✔ UV Sterilizer Unit (choose 55L or 80L per min)

  • ✔ 3 x Pressure Gauges – Monitor each stage easily

  • ✔ Filter Wrench – For simple cartridge changes

  • ✔ 3 x Filter Cartridges

🧪 Choose Your Filter Combo:

1. Standard Combo

  • 5 Micron Pleated Washable Sediment Filter

  • 1 Micron Antibacterial Polyspun Sediment Filter

  • 0.5 Micron Coconut Carbon Block Filter

2. Antibacterial Combo (Nano Silver)

  • 5 Micron Washable Antibacterial Pleated Filter

  • 1 Micron Nano Silver Polyspun Sediment Filter

  • 0.5 Micron Nano Silver Coconut Carbon Block Filter

3. Anti-Scale Combo

  • 5 Micron Pleated Sediment Filter

  • 1 Micron Gradient-Density Sediment Filter

  • 0.5 Micron Anti-Scale Coconut Carbon Block Filter


💡 UV Sterilizer Options:

  • 55L/min UV Unit – Ideal for homes with up to 4 people

UV System Size: 7 cm (W) x 10 cm (D) x 93 cm (L)

  • 80L/min UV Unit – Best for households of 4–6 people or higher water usage

UV System Size: 7 cm (W) x 10 cm (D) x 100 cm (L)


🔬 What Does the UV Sterilizer Do?

The integrated UV sterilizer uses UV-C light to kill 99.99% of bacteria, viruses, and microorganisms in water — including E. coli, Salmonella, Giardia, and Cryptosporidium.
It provides an added layer of protection after filtration, making it ideal for households that want peace of mind with every tap.


✅ Key Features:

  • Removes up to 99% Sediment, chlorine, VOCs, and odours

  • WaterMark Certified (AS/NZS 3497)

  • UV kills bacteria and viruses – chemical-free disinfection

  • Double O-ring housings for leak prevention

  • 1” BSP brass ports – Withstand high pressure

  • Wall mount design – Compact and easy to install

  • Supports high water flow – 55/ 80L per min

  • Dimensions: 58 cm (W) x 20 cm (D) x 65 cm (H)


Why Choose This System?

Perfect for families, offices, and light commercial setups using town water. Whether you need standard, antibacterial, or scale-reducing filtration, this system offers long-lasting, high-flow performance with added UV disinfection for biological safety.

✔ Filters included – ready to install
✔ Optional UV – chemical-free microbial protection
✔ Safe, great-tasting water throughout your entire home

Shipping & Delivery Policy – SHIELD®

At SHIELD®, all orders are dispatched within one business day using our trusted freight partners.
If you have specific delivery instructions, please contact us via email. Please note that messages left during checkout may not be reviewed or actioned.


📦 Tracking & Delivery Delays

Tracking information will be uploaded at the time of dispatch, and you will receive an automated email with your tracking link once your order ships.
If your order hasn’t arrived within the expected delivery window, please allow an additional 2–3 business days, as most delayed parcels are delivered within this timeframe.
If you have any concerns, feel free to contact us.


📷 Damage & Warranty Claims

Please inspect your items upon delivery. If your order is damaged during transit, clear photographic evidence is required to qualify for a replacement.
Fragile items will include a warranty label — this label must not be removed, as it may be required for verification during any damage assessment.

Returns & Refunds Policy – SHIELD®

Unless otherwise specified, we offer a 30-day return policy for unused and unopened items.
You have 30 days from the date of delivery to request a return, provided the item has not been opened or used.


🔁 Faulty or Damaged Items

If your item appears faulty or is damaged during transit, SHIELD® will cover the return shipping cost and issue a full refund.
Buyers are responsible for inspecting items upon delivery and providing clear photographic evidence to support any claim.


📦 Change of Mind Returns (Unopened & Unused)

We accept returns for unopened and unused products under any circumstance.
Return shipping is paid by the buyer, and a full refund will be issued once the item is received and inspected.

⚠️ Important Notice:
Water filters and filtration systems are health-sensitive products.
Once used or opened (e.g., filter seal removed), the item cannot be resold and is therefore non-returnable.
Please ensure the product is suitable before opening or using.


❌ Not as Described (NAD)

SHIELD® takes full responsibility for any “Not As Described” products.
If you believe the item received does not match the product listing, please contact us immediately.
We will cover all return shipping and related costs.


📧 How to Start a Return

If your return is approved, we will provide a prepaid return label and instructions on how and where to send your item.
Returns sent without prior approval will not be accepted.

You may contact us at any time for return-related questions via email.


🔍 Damages & Order Issues

Please inspect your order upon delivery.
If the item is defective, damaged, or incorrect, contact us immediately so we can assess the issue and make it right.


🔄 Exchanges

To exchange an item, the fastest method is to return the original item.
Once the return is accepted, you can place a new order for the desired item.


💰 Refunds

We will notify you once your return is received and inspected.
If approved, the refund will be automatically issued to your original payment method.
Please note, it may take additional time for your bank or credit card provider to process and post the refund.

SHIELD® Water Filter System | WaterMark Certified | Certificate No. 030064

The SHIELD® water filtration system is WaterMark certified, ensuring full compliance with Australian plumbing and product safety standards.
Certified under WaterMark Certificate No. 030064, this system has been tested for material safety, structural integrity, and performance, providing peace of mind for residential and commercial water filtration needs.

Designed for durability and efficiency, SHIELD® systems deliver clean, safe, and great-tasting water while meeting the highest regulatory benchmarks required for installation in Australian homes.

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Customer Reviews

Based on 8 reviews
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P
Pat N (Ballarat, AU)
Very happy

Great value, excellent quality and quick delivery!

B
Brett Glenbar (Perth, AU)

Rain Tank Water Filter 20" x 4.5" Big Blue Whole House Water Filtration System with UV Sterilizer & Pressure Gauges Australian Standard WaterMark Certified

M
Mr vaughn gamble (Melbourne, AU)

One of the uv steriliser brackets was broken in the package, still mount secure enough. Otherwise all good.

R
Rick Trail (Brisbane, AU)
Whole House Water Filter System 20" x 4.5" Ultraviolet UV Sterilizer With Gauges?

So far so good. The water tastes great. 1st time on tank water, so pretty happy with the system.

J
Joe Gubbay (Sydney, AU)
Very happy

The 20" x 4.5" + UV system works very well with high water pressure maintained, river water filtered clear, and tasting better than town water. I had been warned that UV systems make a humming noise but this system is completely silent. Easy for the plumber to install. It would be good if the power adapter was weatherproof but I knew that beforehand and it's not an issue. Highly recommend.