1-micron antibacterial polyspun sediment water filter cartridge (20” x 4.5”) for whole-house filtration
A woman holding the 1 micron antibacterial polyspun sediment filter cartridge (20" x 4.5") for whole house filtration systems
1-micron antibacterial polyspun sediment water filter cartridge (20” x 4.5”) for whole-house filtration
A woman holding the 1 micron antibacterial polyspun sediment filter cartridge (20" x 4.5") for whole house filtration systems

1 Micron Antibacterial Polyspun Sediment Water Filter Cartridge | 20” x 4.5” Nano Silver Whole House Filter

$59.00

1 Micron Antibacterial Polyspun Sediment Water Filter Cartridge | 20” x 4.5” Whole House Replacement

The 1 Micron Antibacterial Polyspun Sediment Water Filter Cartridge (20” x 4.5”) is a premium first-stage filter designed for whole-house filtration systems, including Big Blue–style housings. In addition to fine sediment removal, this cartridge incorporates nano silver antibacterial technology to help inhibit microbial growth on the filter media.

Manufactured from high-density polypropylene, this depth filtration cartridge removes sediment, rust, sand, silt, algae, and suspended particulate matter down to 1 micron, improving water clarity while protecting downstream carbon, PFAS, and specialty media filters.

The integrated nano silver treatment is designed to reduce bacterial buildup on the filter surface during service life, making it ideal for installations where stagnant water, warm climates, or extended service intervals may be a concern.

Key Features & Benefits

  • Nano Silver Antibacterial Technology – Helps inhibit microbial growth on the filter media

  • 1 Micron Filtration – Captures fine sediment, dust, rust, and particulate contaminants

  • Polyspun Depth Filter Construction – High dirt-holding capacity for extended service life

  • Grooved Surface Design – Maximises surface area and maintains consistent flow rates

  • Universal 20” x 4.5” Size – Compatible with most Big Blue and standard whole-house housings

  • Food-Grade, BPA-Free Polypropylene – Suitable for potable water applications

  • Protects Downstream Filters & Plumbing – Reduces clogging and premature filter failure

Typical Applications

  • Whole-house water filtration systems

  • Pre-filtration for carbon, PFAS, and specialty media filters

  • Residential, office, and light commercial installations

Replacement Interval

Replace approximately every 6–12 months, depending on incoming water quality and usage. Systems exposed to higher sediment loads may require more frequent replacement.

⚠️ Important Notice
This antibacterial sediment filter is designed to inhibit microbial growth on the filter media only. It does not disinfect water or remove bacteria, viruses, or microorganisms from the water supply. Do not use with microbiologically unsafe water without appropriate disinfection before or after the filtration system.

1 Micron Antibacterial Polyspun Sediment Water Filter Cartridge | 20” x 4.5” Whole House Replacement

The 1 Micron Antibacterial Polyspun Sediment Water Filter Cartridge (20” x 4.5”) is a premium first-stage filter designed for whole-house filtration systems, including Big Blue–style housings. In addition to fine sediment removal, this cartridge incorporates nano silver antibacterial technology to help inhibit microbial growth on the filter media.

Manufactured from high-density polypropylene, this depth filtration cartridge removes sediment, rust, sand, silt, algae, and suspended particulate matter down to 1 micron, improving water clarity while protecting downstream carbon, PFAS, and specialty media filters.

The integrated nano silver treatment is designed to reduce bacterial buildup on the filter surface during service life, making it ideal for installations where stagnant water, warm climates, or extended service intervals may be a concern.

Key Features & Benefits

  • Nano Silver Antibacterial Technology – Helps inhibit microbial growth on the filter media

  • 1 Micron Filtration – Captures fine sediment, dust, rust, and particulate contaminants

  • Polyspun Depth Filter Construction – High dirt-holding capacity for extended service life

  • Grooved Surface Design – Maximises surface area and maintains consistent flow rates

  • Universal 20” x 4.5” Size – Compatible with most Big Blue and standard whole-house housings

  • Food-Grade, BPA-Free Polypropylene – Suitable for potable water applications

  • Protects Downstream Filters & Plumbing – Reduces clogging and premature filter failure

Typical Applications

  • Whole-house water filtration systems

  • Pre-filtration for carbon, PFAS, and specialty media filters

  • Residential, office, and light commercial installations

Replacement Interval

Replace approximately every 6–12 months, depending on incoming water quality and usage. Systems exposed to higher sediment loads may require more frequent replacement.

⚠️ Important Notice
This antibacterial sediment filter is designed to inhibit microbial growth on the filter media only. It does not disinfect water or remove bacteria, viruses, or microorganisms from the water supply. Do not use with microbiologically unsafe water without appropriate disinfection before or after the filtration system.

Specifications & Compatibility

  • Filter Type: Antibacterial Polyspun Sediment

  • Micron Rating: 1 Micron

  • Size: 20” x 4.5”

  • Material: Polypropylene with Nano Silver treatment

  • Operating Pressure: Up to 100 psi

  • Operating Temperature: 4°C – 38°C

  • Compatible Housings: Standard 20” x 4.5” Big Blue–style housings

Where This Filter Sits in a Whole-House System

  • Installed as Stage 1 in a whole-house filtration system

  • Removes fine sediment before water reaches carbon, PFAS, or specialty media filters

  • Nano silver treatment helps inhibit microbial growth on the filter surface during service life

  • Not designed to remove chlorine, PFAS, bacteria, viruses, or dissolved chemicals

Why Choose the Antibacterial Sediment Filter

  • Helps reduce bacterial buildup on the filter media in warm or humid environments

  • Ideal for properties with low water usage, long service intervals, or stagnant lines

  • Improves filter hygiene compared to standard polyspun sediment cartridges

  • Premium upgrade for customers wanting an added layer of protection within their system

  • This filter provides the same 1 micron sediment removal as a standard polyspun cartridge, with the added benefit of nano silver antibacterial treatment designed to inhibit microbial growth on the filter media during use.

  • No. This filter should not be relied on to disinfect water or kill bacteria, viruses, or microorganisms in the water supply. It is designed to reduce bacterial growth on the filter itself, not to sterilise water.

  • This filter is recommended for warm climates, holiday homes, low-usage properties, or systems with extended service intervals where water may remain stagnant for periods of time.

  • Pressure drop is minimal and unnoticeable when the filter is clean. Any reduction in flow typically indicates sediment buildup and signals that replacement is due

  • Replacement is typically recommended every 6–12 months, depending on incoming water quality, system usage, and sediment load.

When to Replace This Filter

Replace this filter approximately every 6–12 months, depending on incoming water quality, system usage, and sediment load.

You may need to replace the cartridge sooner if you notice:

  • A drop in water pressure throughout the home

  • Visible discolouration of the filter media

  • Increased sediment appearing at fixtures or appliances

While the antibacterial nano silver treatment helps inhibit microbial growth on the filter media, it does not extend the filter’s sediment-holding capacity. Replacement should be based on performance, not appearance alone.

Compatibility Note

This cartridge is designed for all Pure₂O Water Filtration systems, and all other standard 20” x 4.5” Big Blue–style filter housings only.

It is not compatible with:

  • Slimline filter housings

  • 10” filter systems

  • Under-sink or point-of-use housings

If you are unsure which housing you have, contact us before purchasing.