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.
We are continually adding new cartridges for our community so if you can not find your cartridge don’t hesitate to email us on help@mywaterfilter.com.au or call us on 02 5500 5310, or please contact us today.
Replacement Cartridge Pack for the HPF 5 Stage Reverse Osmosis Water Filter System with Alkaliser
- Chlorine & Fluoride free water
- Save with the Cartridge pack
- Easy to replace
$64.99
Replacement Cartridge Pack for the HPF 7 Stage Reverse Osmosis Under Sink Water Filter System
- Chlorine & Fluoride free water
- Save with the Cartridge pack
- Easy to replace
From $64.99
Replacement Cartridge Pack for the Xstream 7 Stage Reverse Osmosis Water Filter System with Alkaliser
- Chlorine & Fluoride Free Water
- Save with the Cartridge Pack
- Easy to Replace
$52.99
Replacement Cartridge Pack for the 3 Stage Portable Reverse Osmosis Water Filter System
- Pre & Post carbon for RO
- Standard with 1/4" threaded ends
- Coconut carbon creates tasty water
$62.99
Replacement Cartridge Pack for the 3 Stage Portable Reverse Osmosis Water Filter System with Alkalising Filter
- Quality cartridges
- Optional end connections
- Save time and money
$59.99
$65.99
Replacement Cartridge Pack for 6 Stage Portable Reverse Osmosis Water Filter System with Alkalising Filter
- Cartridge Pack
- 6 stages
- RO Water filter system
$169.99
$186.99
Aquarium Reverse Osmosis System – Cartridge Pack
- Ideal for Fish Enthusiast
- Removes Water Mineral Content
- Your Fish Will Love the Water
$199.99
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
$170.49
Replacement Cartridge Pack for AquaPro Multi 4 Stage Reverse Osmosis Under Sink Water Filter System
- Chlorine & Fluoride free water
- Save with the Cartridge pack
- Quick change replacement cartridge
$136.99
$179.99
HPF 10" x 4.5" Single Stage Whole House Water Filter Cartridge Pack
- HPF 10" x 4.5"
- NSF Certified
- Big Blue
$39.99
HPF 10" x 4.5" Twin Whole House Water Filter Cartridge Pack
- HPF 10" x 4.5"
- Whole House
- Twin Big Blue
$0
MWF 10" x 4.5" Single Stage Water Filter Cartridge Selection
- You select your own cartridge
- 12 Months Life Span
- Whole House
$43.99 - $189.99
MWF 10" x 4.5" Twin Water Filter Cartridge Pack
- You select your own cartridge
- 12 Months Life Span
- Whole House
$59.98
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
$49.99
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
HPF 20" x 4.5" Single Stage Whole House Water Filter Cartridge Selection
- HPF 20" x 4.5"
- Whole House
- Big Blue
$89.99
MWF 20" x 4.5" Single Whole House Water Filter Cartridge Selection
- Kills Bugs & Bacteria in water
- Highly recommended for rain water
- Removes Heavy Metals & Virus
$69.99 - $189.99
Replacement Cartridge Pack for MWF 20" x 4.5" Twin Big Blue Whole House Water Filter System
- Sediment + Carbon block cartridges
- Removes chlorine
- Improves taste, smell and colour
$133.99
MWF 20" x 4.5" Twin Whole House LOW PRESSURE Rain Water Tank Water Filter Cartridge Pack
- Blocks Sediments, Algae, Dirt, Particles, etc.
- Improves taste & odour
- Great for gravity or low pressure systems
$274.99
MWF 20" x 4.5" Twin Whole House Rain Water Tank Filter Complete with Ultraviolet Light Cartridge Pack
- Sediment + Carbon Block Cartridges
- Eliminates Chlorine
- Improves Taste, Smell and Colour
$189.99
MWF 20" x 4.5" Twin Whole House Rain Water Tank Water Filter Cartridge Pack
- Sediment + Carbon Block Cartridges
- Eliminates Chlorine
- Improves Taste, Smell and Colour
$206.99
HPF All in One 20" x 4.5" Twin Whole House Water Filter Cartridge Pack
- Replacement Cartridge Pack
- 20" x 4.5"
- Twin Big Blue Whole House
$209.99
Replacement Cartridge Pack for MWF 20" x 4.5" Twin Big Blue Whole House Rain Water Tank Water Filter System with Aragon
- Kills Bugs & Bacteria in water
- Highly recommended for rain water
- Removes Heavy Metals & Virus
$389.99
HPF 20" x 4.5" Twin Whole House Water Filter Cartridge Pack
- HPF 20" x 4.5"
- Whole House
- Big Blue
$76.99
Replacement Cartridge Pack for MWF 20" x 4.5" Triple Big Blue Whole House Water Filter System
- Sediment + 2 x Carbon block cartridges
- Removes chlorine
- Improves taste, smell and colour
$249.99
HPF 20" x 4.5" Triple Whole House Chloramine Reduction Water Filter Cartridge Pack
- HPF 20" x 4.5"
- Whole House
- Big Blue
$299.99
Replacement Cartridge Pack for MWF 20" x 4.5" Triple Big Blue Whole House Water Filter System with Aragon
- Blocks Chlorine & Chloramine
- Removes other unwanted contaminants
- Perfect for any Australian state
$469.99
British Berkefeld® 5.75" Ultra Sterasyl® Ceramic Filter Candle for Gravity Systems
- Drip by Drip Filtration
- Minerals Retained
- Quality UK-Made
$116.99
$119.89
Disruptor® 10" x 2.5" International Industry Standard Water Filtration Cartridge
- Ideal for Untreated Rainwater
- Blocks E. coli - Bacteria: 99.9999%
- Blocks Coliphage (Bacterial Virus): 99.9995%
- Reduces Heavy Metals, Herbicides & Pesticides
$124.99
Disruptor® 20" x 4.5" International Industry Standard Water Filtration Cartridge
- Made for Australian Water Supplies
- Chlorine & Chloramine Reduction over 99%
- PFAS & PFOS Reduction over 98%
$319.99
$351.99
ULTRAPURE 10”x 2.5” 3 in 1 Anti-Scale Control Cartridge with Sediment, Chlorine, Taste and Odour Reduction
- 3-in-1 Filtration Cartridge
- Blocks Sediment, Removes Chemicals
- Reduces Scale Buildup in Kettles
$69.99
Disruptor® 20" x 4.5" Replacement Filter Cartridge with Super-Seal™ End Cap
- Made for Australian Water Supplies
- Chlorine & Chloramine Reduction over 99%
- PFAS & PFOS Reduction over 98%
$319.99
$351.99
Replacement Cartridge Pack for ULTRAPURE 10" Triple Under Sink Alkaline Water Filter System with Fluoride Reduction & Sediment Protection
- Blocks Sediment - PFOS PFOA 99%
- Reduces up to 97% Fluoride
- Chlorine Chloramine 99% Reduction
- Adds Beneficial Minerals High Alkaline
$339.99
$429.96
ULTRAPURE Toxic Contaminant Remover Triple Undersink Reverse Osmosis Water Filter Replacement Cartridge Pack
- Stage 1 replace - 12 to 18 months
- Stage 2 replace - 12 to 18 months
- Stage 3 replace - 1 to 4 years
- Stage 4 replace - 12 to 18 months
$249.99
ULTRAPURE Home Filtration with Super Seal Cartridges Cartridge Pack
- Blocks Sediment - PFOS PFOA 98+%
- Chlorine, Chloramine 99% Reduction
- Bugs, Bacteria, Virus 99.999%
- ONLY Fits ULTRAPURE Systems
$439.99
$555.97
TWIN HOUSING - ULTRAPURE Toxic Contaminant Removal Reverse Osmosis Water Filtration System Replacement Membrane
- SHORT 10”
- 75 Gallons Per Day
- NSF Certified Membrane
$57.99
$78.99
TRIPLE HOUSING - ULTRAPURE Toxic Contaminant Removal Reverse Osmosis Water Filtration System Replacement Membrane
- Industry Standard 12”
- 75 Gallons Per Day
- NSF Certified Membrane
$78.99
Replacement Cartridge Pack for MWF 20" x 4.5" Triple Big Blue Whole House Water Filter System with Disruptor
- Made for Australian Water Supplies
- Chlorine & Chloramine Reduction over 99%
- PFAS & PFOS Reduction over 98%
$469.99
ULTRAPURE Toxic Contaminant Remover Twin Undersink Reverse Osmosis Water Filter Replacement Cartridge Pack
- Stage 1 replace - 12 to 18 months
- Stage 2 replace- 1 to 4 years
- Stage 3 replace - 12 to 18 months
$129.99
Replacement Cartridge Pack for MWF 20" x 4.5" Twin Big Blue Whole House Rain Water Tank Water Filter System with Disruptor
- Blocks Bugs & Bacteria in Water
- Highly Recommended for Rain Water
- Removes Heavy Metals & Virus
$389.99
$428.99
Doulton Ultracarb 0.5 Micron 10" Triple Water Filter with Fluoride Removal & Sediment Protection - Cartridge Pack
- Removes Fluoride
- Removes Sediment
- Removes Heavy Metals & Virus
$255.99
$281.59
ULTRAPURE 0.5 Micron City Water Purifier Carbon Block Cartridge 10" x 2.5”
- Made for Australian City Water
- Chlorine Chloramine Heavy Metals Gone
- Removes Over 99.9% of PFAS
$99.99
Replacement Cartridge Pack for ULTRAPURE 10" Twin Benchtop/Under Sink Water Filter System with Low Alkaline
- Chlorine 100% Chloramine 99.5%
- Lead 99+% - PFOS PFOA 99.9%
- Pesticides & Herbicides 99%
- Adds Beneficial Minerals 7 - 8 pH
$179.99
$197.98
20 x 4.5" ULTRAPURE Sediment & Mineral Spot Reduction Cartridge
- Hard Water Protection Sediment Cartridge
- Blocks Sediments, Dirt, Sand, Silt & Rust
- Best with Hard Water Protection System
$99.99
Replacement Cartridge Pack for ULTRAPURE 10" Triple Benchtop/Under Sink Water Filter System with Alkaline & Sediment Protection
- Chlorine Chloramine 100% Reduction
- Lead 99+% - PFOS PFOA 99.9%
- Pesticides & Herbicides 99%
- Beneficial Minerals Elevates High pH
$209.99
$262.97
Replacement Cartridge Pack for ULTRAPURE 10" Triple Benchtop/Under Sink Water Filter with Fluoride Reduction & Sediment Protection
- Blocks Sediment - PFOS PFOA 99.9%
- Reduces up to 97% of Fluoride
- Chlorine Chloramine 100% Reduction
$244.99
$269.97