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.
100% Calcite pH Neutralisation Inline Water Filter Replacement Cartridge 10"
- 100% Calcite marble
- Higher flow rates
- Raise pH levels to neutral 7.0
$44.99
HPF Inline High Alkaline Water Filter Replacement Cartridge 12" x 2"
- HPF
- Post RO filter
- 12"x2"
$51.99
Carbon Calcite pH Neutralisation Inline Water Filter Replacement Cartridge 10"
- Produces alkaline water
- Neutralises low pH
- Neutralises water pH after RO
$46.99
XstreaMn Alkaliser Inline Water Filter Replacement Cartridge
- Ultimate in pH adjustment
- Raises and retains constant 8.5 pH
- Rate of magnesium approx 20-45 ppm
$57.99
K Series Alkaline Water Filter Replacement Cartridge 10"
- Replacement Cartridge
- K Series
- Size: 10"
$79.99
Puretron T300 Hydrogen Rich Inline Water Filter Replacement Cartridge
- Ultimate Post RO filter
- FDA Certified Cartridge
- Quality Guaranteed
$119.99
Omnipure K5650 JJ Alkaliser Cartridge with 1/4" Push In Connections
- Adds benificial minerals
- Elevates pH to high pH
- Made in the USA
$189.99
Omnipure K5650 KK Alkaliser Water Filter Replacement Cartridge with 3/8" JG Connections
- Adds benificial minerals
- Elevates pH to high pH
- Made in the USA
$164.99
Replacement Cartridge Pack for RO 5000 Bench Top Reverse Osmosis Pure Water System with Added Minerals & Low Alkaline
- Quality budget priced cartridges
- Easy to change
- Quick push-in connections
$154.99
Doulton Ultracarb 0.5 Micron Ceramic Water Filter Replacement Cartridge 10" x 2.5"
- Great on untreated water
- Repels cysts and bacteria
- Removes chlorine
$129.99
Doulton Ultracarb 0.5 Micron Ceramic Water Filter Replacement Cartridge 9" x 2.5"
- Great on untreated water
- Repels cysts and bacteria
- Removes chlorine
$132.99
Doulton 0.5 Micron Super Sterasyl Ceramic Water Filter Replacement Cartridge 10" x 2.5"
- Great on rainwater tanks
- Repels cysts and bacteria
- Wash clean easy
$129.99
Doulton 0.5 Micron Sterasyl Ceramic Water Filter Replacement Cartridge 10" x 2.5"
- Great on untreated water
- Repels cysts and bacteria
- Fits standard filter housings
$109.99
Doulton Ultracarb 0.5 Micron Ceramic Slimline Water Filter Replacement Candle With Double O-ring
- Stops Bugs, Bacteria & Sediment
- Removes Chlorine & Chloramine
- Removes Herbicides & Pesticide
$109.99
Replacement Cartridge Pack for Doulton Ultracarb 0.5 Micron 10" Twin Benchtop-Under Sink Water Filter with Alkaline
- 2 in 1 Cartridge filtration
- Plus raises water's pH
- Easy to replace
$204.99
Replacement Cartridge Pack for Doulton Ultracarb 0.5 Micron 10" Twin Benchtop-Under Sink Water Filter with Double Carbon
- 2 in 1 Cartridge filtration
- Removes chlorine
- Improves taste, smell and colour
$179.99
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 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
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
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
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 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 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
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
HPF 5 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 2.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$39.99
HPF Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 2.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$34.99