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Twin 4040 Reverse Osmosis System


The RO-Man 4040 Reverse Osmosis System is bespoke made and manufactured using water safe components, producing water that is safe for window cleaning as well as aquatic and marine life.

The Twin 4040 Reverse Osmosis System includes:

System Specifications:

Gallons Per Day (GPD)
This refers to US gallons per day. One US Gallon is equal to 0.832674 Imperial Gallon. For example: 1 US Gallon = 0.832674 Imperial Gallons, 50 US Gallons = 41.63 Imperial Gallons, 75 US Gallons = 62.45 Imperial Gallons, 100 US Gallons = 83.27 Imperial Gallons and 150 US Gallons = 124.90 Imperial Gallons.

System and Membrane Warranty

All our systems and membranes come with a 1 year warranty from the date of purchase. This warranty excludes expendable filter cartridges and resins.  Read more here.

Need a TDS Meter?

The DM1 is an inline TDS Meter can be used to measure the TDS of the tap water coming in against the TDS of the purified water going out of your system at anytime.  You can view it here.


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