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Reverse Osmosis Systems

Poor water quality can impact both your health and the longevity of your hardware. From limescale buildup in residential plumbing to mineral deposits in high-value machinery, untreated water creates costly inefficiencies. 

Dowdens Pumping & Water Treatment provides high-performance reverse osmosis system solutions designed to strip away impurities and dissolved solids. Whether you need a compact home unit or a heavy-duty industrial reverse osmosis water filtration system, we deliver engineered solutions that support water purity, protect your infrastructure and enhance operational efficiency.

Ready to upgrade your water quality? Contact our expert team today for a custom quote.

FAQs

A reverse osmosis water system uses a semi-permeable membrane to separate pure water molecules from contaminants. It effectively removes dissolved salts, heavy metals, fluoride, chlorine and organic bacteria. 

At Dowdens, we stock a versatile range, from compact under-sink units for domestic kitchens to modular industrial reverse osmosis water systems. We also provide a full suite of water treatment systems and replacement sediment filters to keep your RO unit running at peak performance.

The Atlas Filtri OASIS DP includes the RO membrane, dedicated carbon filters, a storage pressure tank, a lead-free faucet and all necessary tubing and connectors for a standard under-sink setup.

A 6-stage process ensures maximum purity and improved taste. It generally consists of:

  1. Sediment pre-filter: Removes dirt and rust.
  2. Carbon block: Eliminates chlorine and odours.
  3. Granular activated carbon: Further chemical reduction.
  4. RO membrane: Removal of microscopic impurities.
  5. Post-carbon filter: Flavour refining
  6. Remineraliser: Addition of healthy minerals for balanced pH

Reverse Osmosis Systems Product Range

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NEW PRODUCT
SKU: ATF-OASISDPTRIO50STD

Atlas Filtri 6 Stage OASIS DP RO Standard Undersink Water Filter System with Drinking Tap & 16L Pressure Tank

NEW PRODUCT
SKU: ATF-ROMEMBRANE50GPD1812

Atlas Filtri Replacement Membrane for Atlas Filtri OASIS DP RO Underbench Reverse Osmosis System

NEW PRODUCT
SKU: ATF-AIMREMINERALIZER

Atlas Filtri Remineralizing Filter for Atlas Filtri OASIS DP RO Underbench Reverse Osmosis System

NEW PRODUCT
SKU: ATF-CARTRIDGESKITOASISDP

Atlas Filtri Pre-Filter Kit for Atlas Filtri OASIS DP RO Underbench Reverse Osmosis System

NEW PRODUCT
SKU: ATF-AICACTIVATEDCARBON

Atlas Filtri Carbon Post Filter for Atlas Filtri OASIS DP RO Underbench Reverse Osmosis System

NEW PRODUCT
SKU: ATF-OASISDPTRIO50PUMP

Atlas Filtri 6 Stage OASIS DP RO Undersink Water Filter System Complete with Pump, Drinking Tap & 16L Tank