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Reverse Osmosis Undersink
Compare undersink reverse osmosis systems
Explore our 3, 4 and 5 Stage reverse osmosis options. Compare the filtration stages, installation requirements and servicing needs to find a system that suits your space and water supply.
3 Stage Reverse Osmosis
A reverse osmosis option without a remineralising stage. Discuss your intended use and water requirements with our team before choosing a system.
View product and price4 Stage Reverse Osmosis
Includes a remineralising and alkalising stage. Open the product page to review the system details and discuss installation requirements.
View product and price5 Stage Reverse Osmosis
Combines reverse osmosis filtration with a remineralising and alkalising stage. Review the product details and ask our team which configuration suits your home.
View product and priceSystem gallery
Choosing the right system
Ask about verified reduction performance for the specific contaminants you want to address. Performance depends on the selected system, incoming water and maintenance.
Our team can help you compare cupboard space, water-pressure requirements, cartridge replacement intervals and servicing costs.
Product certification
Ask our team to confirm the WaterMark certification details for your selected model and the scope of any performance testing.
Installation and servicing
We install and service water filters in Sydney, Melbourne and Brisbane, as well as Wollongong, Geelong, the Mornington Peninsula, the Sunshine Coast and the Gold Coast. Contact our team to confirm availability for your address.
Need help comparing systems?
Speak with our team about product selection, installation and replacement cartridges.
Call 1300 651 837 Arrange a service
New Products
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5 Stage Reverse Osmosis with Alkaline$1,800.00$900.00
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3 Stage Reverse Osmosis$900.00$650.00
Current Top Sellers
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5 Stage Reverse Osmosis with Alkaline
$1,800.00$900.00
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3 Stage Reverse Osmosis
$900.00$650.00