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.
Omnipure Q5515 Quick Change Carbon Block Water Filter Replacement Cartridge
- Omnipure
- Quick Change
- Carbon Block
$76.99
Doulton Ultracarb 0.5 Micron Ceramic Slimline Water Filter Replacement Candle With Single O-ring
- Fits standard filters
- 0.9 Micron absolute filtration
- Wash clean ceramic outer
$119.99
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
Unicel Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 4.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$139.99
HPF Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 4.5"
- Sediment Filter
- Economical cost
- 100% Polypropylene Fibre
$77.99
Replacement Cartridge Pack for MWF 20" x 4.5" Twin Big Blue Whole House Rain Water Tank Filter System Complete with Ultraviolet Light
- Sediment + Carbon block cartridges
- Eliminates chlorine
- Improves taste, smell and colour
$189.99
Replacement Cartridge Pack for MWF 20" x 4.5" Twin Big Blue Whole House LOW PRESSURE Rain Water Tank Filter System
- Blocks Sediments, Algae, Dirt, Particles, etc.
- Improves taste & odor
- Great for gravity or low pressure systems
$228.99
Pure BCC Silver Impregnated Carbon Block Whole House Water Filter Replacement Cartridge 20" x 4.5"
- NSF Certified
- Carbon Block
- 20' x 4.5'
$124.99
Replacement Cartridge Pack for MWF 20" x 4.5" Twin Big Blue Whole House Rain Water Tank Water Filter System
- Sediment + Carbon block cartridges
- Eliminates chlorine
- Improves taste, smell and colour
$206.99
10 Micron Carbon Impregnated Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 4.5"
- Size: 20" x 4.5"
- Rating: 10 Micron
- Washable Sediment
$189.99
Replacement Cartridge Pack for HPF 20" x 4.5" Twin Big Blue Whole House Water Filter System
- HPF 20" x 4.5"
- Whole House
- Big Blue
$77.98
Aragon Water Filter Replacement Cartridge 20" x 4.5"
- Highly recommended for town
- Chlorine, Bacteria Gone
- Removes Heavy Metals
$319.99
Replacement Cartridge Pack for MWF 20" x 4.5" Single Big Blue Whole House Water Filter System
- Kills Bugs & Bacteria in water
- Highly recommended for rain water
- Removes Heavy Metals & Virus
$48.99
Unicel 20 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 4.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$142.99
Unicel 10 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 4.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$119.99
Unicel 1 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 4.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$219.99
Unicel 5 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 4.5"
- Removes sediment
- Quality product
- Fits standard filter housings
$149.99
HPF 5 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 4.5"
- Sediment Filter
- Economical cost
- 100% Polypropylene Fibre
$79.99
Pure BCC 0.5 Micron Silver Impregnated Carbon Block Whole House Water Filter Replacement Cartridge 20" x 4.5"
- NSF Certified
- Carbon Block
- 20" x 4.5"
$149.99
HPF 50 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 4.5"
- Sediment Filter
- Economical cost
- 100% Polypropylene Fibre
$82.99
HPF 20 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 4.5"
- Sediment Filter
- Economical cost
- 100% Polypropylene Fibre
$79.99
HPF 1 Micron Pleated Sediment Whole House Water Filter Replacement Cartridge 20" x 4.5"
- Sediment Filter
- Economical cost
- 100% Polypropylene Fibre
$83.99
Pure BCC 5 Micron Silver Impregnated Carbon Block Whole House Water Filter Replacement Cartridge 20" x 4.5"
- NSF Certified
- Carbon Block
- 20" x 4.5"
$129.99
Replacement Cartridge Pack for HPF 20" x 4.5" Single Stage Big Blue Whole House Water Filter System
- HPF 20" x 4.5"
- Whole House
- Big Blue
$48.99
Replacement Cartridge Pack for HPF All in One 20" x 4.5" Twin Big Blue Whole House Water Filter System
- Replacement Cartridge Pack
- 20" x 4.5"
- Twin Big Blue Whole House
$209.99
Corosex pH Elevation Media 22KG
- USA Made
- Suit Calcite filter where pH is 5
- Quality guranteed
$349.99
Calcite Marble Media 20kg Bag
- Elevates water pH from below 7
- Protect your house plumbing fixtures/copper from corrosion and degradation
- Ensure Neutral to slightly Alkaline water
$139.99
AquaCo 20" x 4.5" Whole House Sediment Water Filter Cartridge with Nipple
- Sealed Leak Proof Base Cap
- Non Leak Nipple Top Cap
- Suitable Only For Aquaco
$72.99
AquaCo 20" x 4.5" Whole House Carbon Block Water Filter Cartridge with Nipple
- Sealed Leak Proof Base Cap
- Non Leak Nipple Top Cap
- Suitable Only for Aquaco
$139.99
AquaCo 20" x 4.5" Whole House Silver Impregnated Carbon Block Water Filter Cartridge with Nipple
- Sealed Leak Proof Base Cap
- Non Leak Nipple Top Cap
- Suitable Only for Aquaco
$164.99
AquaCo 20" x 4.5" Whole House Aragon Water Filter Cartridge with Nipple
- Sealed Leak Proof Base Cap
- Non Leak Nipple Top Cap
- Suitable Only for Aquaco
$329.99
AquaCo Premium Triple Whole House Water Filter with Aragon Cartridge Pack
- Removes Chlorine
- Quality product
- Removes Bugs and Bacteria
$475.99
AquaCo Classic Triple Whole House Water Filter Cartridge Pack
- Only fits AquaCo Classic
- Removes chlorine & chemicals
- Tasty water from all taps
$310.99
RAMA Carbon 8" Fast Filtration Water Purifier Candle (2 per box)
- High-Speed Filtration
- Retain essential minerals
- Removes chlorine and chemicals
$139.99
Philips Micro X-Clean Alkaline Filter AWP240 for MF Water Station
- 3 Different Cartridge Types
- Suits Philips Water Filters
- Fits Brita & Maxtra Jugs
$54.95
Philips Micro X-Clean Carbon Filter AWP211 for MF Water Station
- 3 Different Cartridge Types
- Suits Philips Water Filters
- Fits Brita & Maxtra Jugs
$44.99
Philips Micro X-Clean Softening Filter AWP230 for MF Water Station
- 3 Different Cartridge Types
- Suits Philips Water Filters
- Fits Brita & Maxtra Jugs
$47.95
Philips Micro X-Clean Filter AWP225/79 for Instant Water Filter
- Suits Philips Instant Water Filter
- Reduces Chlorine and Lead
- Reduces Pesticides and Microplastics
$59.95