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Reverse osmosis Systems
Reverse osmosis Systems
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PSI water filters offers the most broad and comprehensive range of reverse osmosis filter systems ranging from simple counter top style systems, laundry style, under sink style and commercial reverse osmosis systems.

Our under sink systems range from the entry level four stage systems right up to our top of the range six stage extreme low waste system.

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Countertop soft tubing - Countertop soft tubing - PSI Water Filters Australia
PSI Water Filters Australia
Countertop soft tubing
Soft tubing to suit countertop systems. White 1/4" sold by the metre--Soft tubing to suit countertop...
$3.50
$3.50
available: -128
K2548-BB 10 Inch In-Line Re-Mineralizing Cartridge (Calcite) - K2548-BB 10 Inch In-Line Re-Mineralizing Cartridge (Calcite) - PSI Water Filters Australia
PSI Water Filters Australia
K2548-BB 10 Inch In-Line Re-Mineralizing Cartridge (Calcite)
1/4 Inch NPT female ports fitting. Service Life: 1 to 2 years.  Product comes complete, ready...
$40.00
$40.00
available: -339
Replacement Countertop Ro Cartridge Twin Deal - Replacement Countertop Ro Cartridge Twin Deal - PSI Water Filters Australia
PSI Water Filters Australia
Replacement Countertop Ro Cartridge Twin Deal
The normal cartridge pair replaced every 12 months or 2000 litres for the Countertop Reverse Osmosis...
$50.00
$50.00
available: -120
Omnipure K2529-BB - Omnipure K2529-BB - PSI Water Filters Australia
PSI Water Filters Australia
Omnipure K2529-BB
Omnipure K2529-BB (10" long x 2" diameter) 1/4" NPT threaded Ports Reduction claim- Chloramine/Chlorine, Taste, Colour...
$50.00
$50.00
available: -1
Vontron HP2012-100
PSI Water Filters Australia
Vontron HP2012-100
The Vontron HP2012-100 is an independently developed reverse osmosis element designed to treat low-salinity water sources...
$55.00
$55.00
available: 46
Replacement Countertop Ro Cartridge Trio Deal - Replacement Countertop Ro Cartridge Trio Deal - PSI Water Filters Australia
PSI Water Filters Australia
Replacement Countertop Ro Cartridge Trio Deal
The normal cartridge Trio replaced every 12 months or 2000 litres for the Countertop Reverse Osmosis...
$75.00
$75.00
available: -288
Tw30-1812-100(TW30-1812-100HR) Reverse Osmosis Membrane (400 Litres Per Day) - Tw30-1812-100(TW30-1812-100HR) Reverse Osmosis Membrane (400 Litres Per Day) - PSI Water Filters Australia
PSI Water Filters Australia
Filmtec TW30-1812-100HR Reverse Osmosis Membrane (400 Litres Per Day)
Genuine Dow Filmtec Reverse Osmosis Membranes Thin film composite (TFC) Also known as PA (polyamide). Genuine...
$95.00
$95.00
available: -419
Psi-019-Bb 3 Stage Reverse Osmosis Basic System - Psi-019-Bb 3 Stage Reverse Osmosis Basic System - PSI Water Filters Australia
PSI Water Filters Australia
Psi-019-Bb 3 Stage Reverse Osmosis Basic System
50 GPD/ 200 litre per day genuine Dow Filmtec membrane @50 psi, 300 LPD @ 100...
$210.00
$210.00
available: -7
Psi-020b-Lw 3 Stage Reverse Osmosis System - Low Waste 1 To 1.25 - Psi-020b-Lw 3 Stage Reverse Osmosis System - Low Waste 1 To 1.25 - PSI Water Filters Australia
PSI Water Filters Australia
Psi-020b-Lw 3 Stage Reverse Osmosis System - Low Waste 1 To 1.25
75 GPD/ 300 litre per day genuine Dow Filmtec membrane @50 psi, 480 LPD @ 100...
$240.00
$240.00
available: -16
Psi-019B-Di-RF 4 Stage Reverse Osmosis Unit - Psi-019B-Di-RF 4 Stage Reverse Osmosis Unit - PSI Water Filters Australia Psi-019B-Di-RF 4 Stage Reverse Osmosis Unit - Psi-019B-Di-RF 4 Stage Reverse Osmosis Unit - PSI Water Filters Australia
PSI Water Filters Australia
Psi-019B-Di-RF 4 Stage Reverse Osmosis Unit
Certified Australian Standard AS 3497, this is a marine aquarium reverse osmosis system and is not...
$245.00
$245.00
available: -2
4 Stage Countertop Reverse Osmosis System - 4 Stage Countertop Reverse Osmosis System - PSI Water Filters Australia 4 Stage Countertop Reverse Osmosis System
PSI Water Filters Australia
4 Stage Countertop Reverse Osmosis System
This 4 stage counter top reverse osmosis system has the following flow rate: 100 GPD/ 400...
$250.00
$250.00
available: -1
Psi-020b-4-Lw 4 Stage Reverse Osmosis System - Psi-020b-4-Lw 4 Stage Reverse Osmosis System - PSI Water Filters Australia
PSI Water Filters Australia
Psi-020b-4-Lw 4 Stage Reverse Osmosis System
Same specifications as the PSI-020B-LW but uses the Omnipure CL10RO-T40 coconut carbon cartridge as the post...
$270.00
$270.00
available: -11
Psi 020B-DI-LW reverse osmosis - Psi 020B-DI-LW reverse osmosis - PSI Water Filters Australia Sale -8%
PSI Water Filters Australia
Psi 020B-DI-LW reverse osmosis
4 Stage RO/DI system wall mount unit with an De-ionization post filter, with 75 gallon/300 litres...
$275.00 $300.00
$275.00
available: 0
Psi-020b-Gm 3 Stage Reverse Osmosis System With Low Waste - Psi-020b-Gm 3 Stage Reverse Osmosis System With Low Waste - PSI Water Filters Australia Psi-020b-Gm 3 Stage Reverse Osmosis System With Low Waste - Psi-020b-Gm 3 Stage Reverse Osmosis System With Low Waste - PSI Water Filters Australia
PSI Water Filters Australia
Psi-020b-Gm 3 Stage Reverse Osmosis System With Low Waste
75 GPD/ 300 litre per day genuine Dow Filmtec membrane @50 psi, 480 LPD @ 100...
$295.00
$295.00
available: -14
Psi-020pg 3 Stage Reverse Osmosis System With Gauge Low Waste 1 - Psi-020pg 3 Stage Reverse Osmosis System With Gauge Low Waste 1 - PSI Water Filters Australia
PSI Water Filters Australia
Psi-020pg 3 Stage Reverse Osmosis System With Gauge Low Waste 1
CHLORAMINE COMPATIBLE OR VERY LONG LIFE CARBON CARTRIDGE A normal reverse osmosis won't treat the Ammonia...
$295.00
$295.00
available: -11
Psi-020a 3 Stage Reverse Osmosis Wall Mount Unit - Psi-020a 3 Stage Reverse Osmosis Wall Mount Unit - PSI Water Filters Australia Psi-020a 3 Stage Reverse Osmosis Wall Mount Unit - Psi-020a 3 Stage Reverse Osmosis Wall Mount Unit - PSI Water Filters Australia
PSI Water Filters Australia
Psi-020a 3 Stage Reverse Osmosis Wall Mount Unit
This unit allows you to adjust the output hardness to the environmental requirements of your fish,...
$325.00
$325.00
available: -8
PSI 020B DI GM- RO/DI 4 stage Reef reverse osmosis system - PSI 020B DI GM- RO/DI 4 stage Reef reverse osmosis system - PSI Water Filters Australia PSI 020B DI GM- RO/DI 4 stage Reef reverse osmosis system - PSI 020B DI GM- RO/DI 4 stage Reef reverse osmosis system - PSI Water Filters Australia
PSI Water Filters Australia
PSI 020B DI GM- RO/DI 4 stage Reef reverse osmosis system
4 Stage RO/DI system with dual pressure gauges, dual point TDS meter, 400LPD membrane Certified Australian...
$350.00
$350.00
available: -1
Boss-020b-Uv 3 Stage Reverse Osmosis System With Uv Sterilisation - Boss-020b-Uv 3 Stage Reverse Osmosis System With Uv Sterilisation - PSI Water Filters Australia
PSI Water Filters Australia
Boss-020b-Uv 3 Stage Reverse Osmosis System With Uv Sterilisation
This unit is designed for Tank, Dam or Bore water that is normally not chlorinated, if...
  • Reverse Osmosis
  • Uv sterilisation
  • Up to 300LPD production
  • 3 Year warranty
$365.00
$365.00
available: 0
Aqua-Pro Slimline Deluxe Undersink Reverse Osmosis - Aqua-Pro Slimline Deluxe Undersink Reverse Osmosis - PSI Water Filters Australia Aqua-Pro Slimline Deluxe Undersink Reverse Osmosis - Aqua-Pro Slimline Deluxe Undersink Reverse Osmosis - PSI Water Filters Australia
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PSI Water Filters Australia
Aqua-Pro Slimline Deluxe Undersink Reverse Osmosis
This slimline 4 stage undersink reverse osmosis is a slimline type, It has the Dow Filmtek...
$495.00
$495.00
PSI-021-4S 4 Stage Reverse Osmosis Under Sink Unit Standard Model - PSI-021-4S 4 Stage Reverse Osmosis Under Sink Unit Standard Model - PSI Water Filters Australia
PSI Water Filters Australia
PSI-021-4S 4 Stage Reverse Osmosis Under Sink Unit Standard Model
4-Stage Under-Sink Reverse Osmosis System Enjoy pure, great-tasting water directly from your dedicated faucet with the...
  • USA Made Filters
  • Optional Reminerliser
  • 3 Yr Warranty
$510.00
$510.00
available: -2
PSI-021-4P 4 Stage Reverse Osmosis Under Sink Premium Model - PSI-021-4P 4 Stage Reverse Osmosis Under Sink Premium Model - PSI Water Filters Australia
PSI Water Filters Australia
PSI-021-4P 4 Stage Reverse Osmosis Under Sink Premium Model
Reverse Osmosis Undersink 4-Stage System – Premium Water Filtration Enjoy ultra-pure water directly from your dedicated...
  • USA Made Filters
  • USA Made Housings
  • Optional Remineraliser
  • 5 Yr Warranty
$615.00
$615.00
available: 0
PSI 021-Alka - PSI 021-Alka - PSI Water Filters Australia
PSI Water Filters Australia
PSI 021-Alka
PSI 021-Alka 5-Stage Reverse Osmosis System – Ionised Alkaline Water Introducing the latest addition to our...
  • USA Made Filters
  • USA Made Housings
  • pH 8.5 +
  • 5 Yr Warranty
$680.00
$680.00
available: 0
PSI-021-4P-GM 4 Stage Reverse Osmosis Under Sink Premium Model - PSI-021-4P-GM 4 Stage Reverse Osmosis Under Sink Premium Model - PSI Water Filters Australia
PSI Water Filters Australia
PSI-021-4P-GM 4 Stage Reverse Osmosis Under Sink Premium Model
Reverse Osmosis Undersink 4-Stage System with Gauges & Monitoring – Premium Water Filtration The PSI-021-4GM is...
  • USA Made Cartridges
  • USA Made Housings
  • Gauges & TDS Meter
  • 5 Yr Warranty
$720.00
$720.00
available: 0
PSI-021-5RM 5 Stage Re-Mineralizing, Oxygen rich alkalising - PSI-021-5RM 5 Stage Re-Mineralizing, Oxygen rich alkalising - PSI Water Filters Australia PSI-021-5RM 5 Stage Re-Mineralizing, Oxygen rich alkalising
PSI Water Filters Australia
PSI-021-5RM 5 Stage Re-Mineralizing, Oxygen rich alkalising
Reverse Osmosis 5-Stage System – Alkalising, Re-Mineralising, Oxygen-Rich The PSI-021-5RM is the ultimate in water purification....
  • USA made Filters
  • USA made Housings
  • pH Neutral
  • 5 Yr Warranty
$750.00
$750.00
available: -2
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