Gday fellow filters! *high five*
It's awesome that you are already filtering your drinking and/or shower water. Clean, fresh water is our mission so thank you for thinking of us when purchasing your water filter cartridges & cartridge filter replacements. Here you'll find all your cartridges. Be it for a whole house, shower, or reverse osmosis system, you'll find it here. We have benchtop and under sink water filter cartridges too.
Check out the cartridge replacement and flushing instructions.
Tour the range of ceramic cartridges.
See the difference: Ultrapure Water Filter Cartridge VS Coldstream Water Filter Cartridge
If you are looking to buy a fresh water filter replacement cartridge online, scroll down below to discover the biggest range of water filter cartridges for sale on the market today.
Replacement Cartridge Pack for Doulton Ultracarb 0.5 Micron 10" Twin Benchtop-Under Sink Water Filter with Sediment Removal
- 2 in 1 Cartridge filtration
- Plus Sediment removal
- Easy to replace
$143.99
Replacement Cartridge Pack for Doulton Sterasyl 0.5 Micron 10" Twin Under Sink Water Filter System with Carbon Block
- 3 in 1 Cartridge filtration
- Removes chlorine
- Improves taste, smell and colour
$146.99
Replacement Cartridge Pack for Doulton Ultracarb 0.5 Micron 10" Triple Benchtop-Under Sink City Water Filter with Fluoride Removal & Alkaline
- 3 in 1 Cartridge filtration
- Plus removes Fluoride
- Raises water's pH
$314.99
Replacement Cartridge Pack for Doulton Ultracarb 0.5 Micron 10" Triple Benchtop-Under Sink City Water Filter with Fluoride Removal & Double Carbon
- 3 in 1 Cartridge filtration
- Plus removes Fluoride
- Improves taste, smell and colour
$293.99
Replacement Cartridge Pack for Doulton Ultracarb 0.5 Micron 10" Triple Benchtop-Under Sink Water Filter with Alkaline & Double Carbon
- 3 in 1 Cartridge filtration
- Removes chlorine, improves taste, smell and colour
- Increases water pH
$262.99
Replacement Cartridge Pack for the Doulton Ultracarb 0.5 Micron 10" Triple Under Sink City Water Filter System with Fluoride Removal & Sediment Protection
- Removes Fluoride
- Removes Sediment
- Removes Heavy Metals & Virus
$255.99
Replacement Cartridge for UltraStream Hydrogen Rich Water Ionizer Filter System
- Fluoride reduction up to 80%
- Filtration last up to 12 months / 3,000 litres
- University tested for the life of the filter
$299.99
Bathroom Vanity Inline Water Filter Replacement Cartridge
- Compact for en-suite bathrooms
- Works with your existing tap
- Mounts vertically or horizontally
$109.99
HiFlow 5 Micron Inline Water Filter Replacement Cartridge for Harsh Water
- WA, SA, & VIC
- Easy to replace
- Removes smell and taste
$149.99
Sawyer Squeezable Filter Pouch - 32 or 64 oz
- Durable, lightweight, and collapsible
- Attaches directly to Sawyer MINI filter
- Available in 32 oz (1Ltr) or 64 oz. (2Ltr) pouches
$34.99
Replacement Cartridge for UltraStream Hydrogen Rich Water Ionizer Filter System (Black and Chrome)
- Fluoride reduction up to 80%
- Filtration last up to 12 months / 3,000 litres
- University tested for the life of the filter
$299.99
Aragon Water Filter Replacement Cartridge 10" x 4.5"
- Highly recommended for town
- Chlorine, Bacteria Gone
- Removes Heavy Metals
$189.99
10 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$54.99
Unicel Pleated Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$57.99
HPF Pleated Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Pleated Sediment
- Suit 10" Big Blue
- 100% Polypropylene Fibre
$39.99
Purefer 5 Micron Polyspun Sediment Water Filter Replacement Cartridge 10" x 4.5"
- Polyspun Sediment
- 10" x 4.5"
- 5 Micron
$41.99
Replacement Cartridge Pack for MWF 10" x 4.5" Triple Big Blue Whole House Water Filter System
- Sediment + 2 x Carbon block cartridges
- Removes chlorine
- Improves taste, smell and colour
$150.99
$189.99
HPF Polyspun Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Economical Cost
- Sediment Filter
- 100% Polypropylene
$29.99
Pure BCC Silver Impregnated Carbon Block Whole House Water Filter Replacement Cartridge 10" x 4.5"
- NSF Certified
- Carbon Block
- Chloramine Reduction
$78.99
Replacement Cartridge Pack for HPF 10" x 4.5" Twin Big Blue Whole House Water Filter System
- HPF 10" x 4.5"
- Whole House
- Twin Big Blue
$59.98
Pure LPD 20 Micron Low Pressure Carbon Block Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Highest flow Performance carbon block technology
- High Performance Coconut Shell 100%
- Great Chlorine, taste and Odor Removal
$67.99
Pure CTO 5 Micron Carbon Block Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Removes chlorine
- Improves Taste and Odor
- 100% Coconut Carbon Block Cartridge
$64.99
Replacement Cartridge Pack for MWF 10" x 4.5" Twin Big Blue Whole House Rain Water Tank Filter System
- Sediment + Carbon block cartridges
- Reduces herbicides
- Improves taste, smell and quality
$114.99
Replacement Cartridge Pack for HPF 10" x 4.5" Single Stage Big Blue Whole House Water Filter System
- HPF 10" x 4.5"
- NSF Certified
- Big Blue
$39.99
Replacement Cartridge Pack for MWF 0.5 Micron 10" x 4.5" Triple Big Blue Caravan Water Filter System
- Aragon Cartridge
- Carbon Block Cartridge
- Improves taste, smell and colour
$230.99
HPF 1 Micron Polyspun Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Economical Cost
- Sediment Filter
- 100% Polypropylene
$42.99
HPF 20 Micron Polyspun Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Economical Cost
- Sediment Filter
- 100% Polypropylene
$44.99
HPF 50 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Pleated Sediment
- Suit 10" Big Blue
- 100% Polypropylene Fibre
$54.99
HPF 5 Micron Polyspun Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Economical Cost
- Sediment Filter
- 100% Polypropylene
$41.99
HPF 100 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Pleated Sediment
- Suit 10" Big Blue
- 100% Polypropylene Fibre
$49.99
HPF 20 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Pleated Sediment
- Suit 10" Big Blue
- 100% Polypropylene Fibre
$52.99
HPF 1 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Pleated Sediment
- Suit 10" Big Blue
- 100% Polypropylene Fibre
$49.99
HPF 5 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Pleated Sediment
- Suit 10" Big Blue
- 100% Polypropylene Fibre
$49.99
Pure BCC 0.5 Micron Silver Impregnated Carbon Block Whole House Water Filter Replacement Cartridge 10" x 4.5"
- NSF Certified
- Carbon Block
- Chloramine Reduction
$84.99
Pure BCC 5 Micron Silver Impregnated Carbon Block Whole House Water Filter Replacement Cartridge 10" x 4.5"
- NSF Certified
- Carbon Block
- Chloramine Reduction
$82.99
Unicel 1 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$129.99
Unicel 5 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$114.99
Unicel 10 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$89.99
Unicel 20 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 10" x 4.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$112.99
Replacement Cartridge Pack for MWF 10" x 4.5" Twin Big Blue Water Filter System
- You select your own cartridge
- 12 Months Life Span
- Whole House
$59.98
Replacement Cartridge Pack for MWF 10" x 4.5" Single Stage Big Blue Water Filter System
- You select your own cartridge
- 12 Months Life Span
- Whole House
$39.99
5 Micron String Wound Sediment Whole House Water Filter Replacement Cartridge 20" x 2.5"
- 5 Micron
- High sediment holding capacity
- Suits Goldcarb pre filter
$49.99
5 Micron Polyspun Sediment Water Filter Replacement Cartridge 10" x 2.5" to suit Aquasana Whole House Water Filter
- Stops dirt, sand, silt
- Protects other cartridges
- Fits all standard housings
$29.99
5 Micron Polyspun Sediment Water Filter Replacement Cartridge 20" x 2.5" to suit Aquasana Whole House Water Filter
- Removes silt, sand, dirt
- Protects other cartridges
- Fits standard filter housings
$39.99
HPF 20 Micron Polyspun Sediment Whole House Water Filter Replacement Cartridge 20" x 2.5"
- Removes sediment
- 100% Polypropylene
- Economical Cost
$23.99
HPF 5 Micron Polyspun Sediment Whole House Water Filter Replacement Cartridge 20" x 2.5"
- Removes sediment
- 100% Polypropylene
- Economical Cost
$37.99
HPF 1 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 2.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$39.99
HPF 20 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 2.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$39.99