Standard Three-Stage Whole House Filter Set (20” x 4.5”) Replacement Filters for Pure₂O Whole House Water Filtration Systems.jpg
Standard Three-Stage Whole House Filter Set (20” x 4.5”) Replacement Filters for Pure₂O Whole House Water Filtration Systems.jpg

Standard Three-Stage Whole House Filter Set | 20” x 4.5”

$199.00 $229.00

Standard Three-Stage Whole House Filter Set | 20” x 4.5”

Product Description

Keep your water clean, clear, and better-tasting across every tap in the house with the Standard Three-Stage Whole House Filter Set. This is the complete replacement pack for your standard Pure₂O three-stage whole-home system, designed for typical Australian town water where sediment + chlorine taste/odour are the main issues.

This three-stage setup works progressively: first removing physical particles, then reducing chlorine and chemical taste/odour, then finishing with a tighter carbon “polish” stage to further improve clarity and taste.

What’s Included

Stage 1 – 1 Micron Polyspun Sediment Filter
Captures dirt, rust, sand, silt, and fine sediment before it reaches your carbon filters. This protects the carbon stages from clogging early, supports stable flow, and helps extend overall filter life.

Stage 2 – 1 Micron Coconut Carbon Block Filter
Reduces chlorine, unpleasant tastes and odours, and many common chemical contaminants (including VOCs). This is the workhorse stage for improving shower smell, drinking taste, and overall “chemical” flavour.

Stage 3 – 0.5 Micron Coconut Carbon Block Filter (Final Polishing Stage)
A finer carbon block stage that provides extra contact time and tighter filtration than Stage 2. It further improves taste and odour reduction and helps polish out remaining fine particulates and carbon-treatable contaminants for a cleaner finish at the tap.

Why Choose the Standard Three-Stage Set?

This pack is the best value option when your main goal is better-tasting water + less chlorine smell + reduced sediment, without stepping up to the specialised PFAS/chloramine-focused media used in the premium range.

It’s also designed to protect plumbing, hot water systems, and appliances by reducing the sediment load and improving overall water quality flowing through the home.

Compatibility & Replacement Timing

• Suits standard 20” x 4.5” (Big Blue) housings used in whole-house systems
• Intended for whole-home filtration, not under-sink cartridges
• Replace typically every 6–12 months, depending on water quality and household usage

Standard Three-Stage Whole House Filter Set | 20” x 4.5”

Product Description

Keep your water clean, clear, and better-tasting across every tap in the house with the Standard Three-Stage Whole House Filter Set. This is the complete replacement pack for your standard Pure₂O three-stage whole-home system, designed for typical Australian town water where sediment + chlorine taste/odour are the main issues.

This three-stage setup works progressively: first removing physical particles, then reducing chlorine and chemical taste/odour, then finishing with a tighter carbon “polish” stage to further improve clarity and taste.

What’s Included

Stage 1 – 1 Micron Polyspun Sediment Filter
Captures dirt, rust, sand, silt, and fine sediment before it reaches your carbon filters. This protects the carbon stages from clogging early, supports stable flow, and helps extend overall filter life.

Stage 2 – 1 Micron Coconut Carbon Block Filter
Reduces chlorine, unpleasant tastes and odours, and many common chemical contaminants (including VOCs). This is the workhorse stage for improving shower smell, drinking taste, and overall “chemical” flavour.

Stage 3 – 0.5 Micron Coconut Carbon Block Filter (Final Polishing Stage)
A finer carbon block stage that provides extra contact time and tighter filtration than Stage 2. It further improves taste and odour reduction and helps polish out remaining fine particulates and carbon-treatable contaminants for a cleaner finish at the tap.

Why Choose the Standard Three-Stage Set?

This pack is the best value option when your main goal is better-tasting water + less chlorine smell + reduced sediment, without stepping up to the specialised PFAS/chloramine-focused media used in the premium range.

It’s also designed to protect plumbing, hot water systems, and appliances by reducing the sediment load and improving overall water quality flowing through the home.

Compatibility & Replacement Timing

• Suits standard 20” x 4.5” (Big Blue) housings used in whole-house systems
• Intended for whole-home filtration, not under-sink cartridges
• Replace typically every 6–12 months, depending on water quality and household usage

Specifications

  • Filter Size: 20” x 4.5” (Big Blue standard)

  • System Type: Whole house filtration systems

  • Micron Ratings:

    • Stage 1: 1 micron sediment

    • Stage 2: 1 micron carbon block

    • Stage 3: 0.5 micron carbon block

  • Max Operating Pressure: 100 psi

  • Operating Temperature: 4°C – 38°C

  • Construction: Food-grade, BPA-free materials

  • Typical Service Life: Up to 12 months (usage & water quality dependent)

What’s Included in This Three-Stage Set

Stage 1 – 1 Micron Polyspun Sediment Filter
Removes dirt, rust, sand, silt, and fine sediment to protect downstream carbon filters and maintain system flow.

Stage 2 – 1 Micron Coconut Carbon Block Filter
Reduces chlorine, chemical taste and odour, and common VOCs. Improves overall water taste and smell throughout the home.

Stage 3 – 0.5 Micron Coconut Carbon Block Filter
Provides a finer carbon polishing stage, increasing contact time to further improve taste, odour reduction, and final water clarity.

  • This pack includes all three cartridges for the standard Pure₂O whole-house system (20” x 4.5” housings):

    • Stage 1: 1 micron sediment (polyspun)

    • Stage 2: 1 micron coconut carbon block

    • Stage 3: 0.5 micron coconut carbon block
      It’s a full swap-out set for your next service.

  • This set of filters are designed for whole-house water quality improvement, especially on town water:

    • Sediment: dirt, rust, sand, silt (Stage 1)

    • Chlorine taste & odour + many VOCs: improved smell/taste across the home (Stages 2–3)
      It’s the “daily driver” set for cleaner water at every tap.

  • It will reduce some chemicals to varying degrees, but if someone is specifically buying for PFAS or chloramine, this is not the right product to promise that outcome.
    For PFAS/chloramine-focused filtration, use the premium catalytic carbon PFAS/chloramine cartridge.

  • Most homes replace the full set every 6–12 months, depending on usage and water quality. Replace earlier if you notice:

    • a pressure drop (often Stage 1 loading up)

    • the sediment cartridge turning brown/grey

    • chlorine taste/odour returning sooner than expected

  • When clean and installed correctly, they’re designed to maintain normal household pressure.
    Pressure issues usually come from a blocked Stage 1 sediment filter (or a system that’s overdue). If pressure drops, Stage 1 is the first thing to check/replace.

  • This set suits standard 20” x 4.5” (Big Blue style) housings used in most whole-house systems, including all Pure₂O whole-house filtration systems.
    If you’re unsure, check the label on your housings or measure your current cartridges end-to-end (20”) and diameter (4.5”).

When to Replace

Replacement timing depends on water quality and household usage, but typical guidance is:

  • Every 6–12 months for average households

  • Earlier replacement may be required if you notice:

    • Reduced water pressure

    • Noticeable drop in taste or odour performance

    • Visible discolouration of the sediment filter

Regular replacement ensures consistent performance and protects plumbing and appliances.

Compatibility

  • Designed for standard 20” x 4.5” whole house filter housings only

  • Compatible with most Big Blue–style three-stage systems

  • Not intended for undersink or benchtop filtration systems