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Purely H2O Purely H2O is an Orlando Florida based company specializing in full spectrum water treatment technology in residential, commercial, industrial, municipalities, and aquarium reverse osmosis, water softening and RO DI applications. Our methods of treatment include de ionization, reverse osmosis, water softeners, whole house carbon and sediment removal systems. Purely H2O carries a full line of meters and controllers such as TDS, conductivity, and pH meters, thermometers, salinity testers, nitrate meters, refractometers and more.

Purely H2O
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1 micron poly sediment filter

1 micron poly sediment filter
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Spun polypropylene nominal 1 micron sediment reduction filter for 10 inch filter housings. Stage 1 of your system.

Our price: $4.00 (€ 3.48)
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10 inch 1 micron carbon block filter

10 inch 1 micron carbon block filter
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1 micron extruded Carbon block. Fits all standard 10 inch housings. Used for removal of chlorine,VOCs and more. This is commonly the second stage of an RO system. This filter is rated at 1 micron nominal.



Our price: $8.00 (€ 6.96)
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Standard clear membrane housing

Standard clear membrane housing
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Give your RO DI system a unique look with our Clear membrane housing!

Market price: $24.99
Our price: $9.99 (€ 8.69), You Save 60%
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All plastic float valve

All plastic float valve
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Our all plastic float valves are great for automatic level
control applications. Our valves are completely corrosion resistant and
perfect for salt water and RO water where metal valves cant be used.

Our price: $12.99 (€ 11.30)
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Auto shut off kit

Auto shut off kit
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Add this to your RO DI system and it will sense
the pressure from your float valve and instantly shut down the water to
the membrane.

Our price: $14.99 (€ 13.04)
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Pressure gauge add on kit

Pressure gauge add on kit
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One of the most important factors in the operation of your
RO DI system is pressure. Running an RO system at too little pressure causes
under production and over waste.

Our price: $14.99 (€ 13.04)
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10 inch refillable DI replacement cartridge (filled)

10 inch refillable DI replacement cartridge (filled)
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Our 10 inch color change DI replacement cart not only uses high quality Reintech resin but the container it comes in is refillable. After your DI is used up you can use this cartridge again and again. This order includes a completely filled color change Deionization media in a refillable cartridge.

Market price: $18.99
Our price: $18.00 (€ 15.66), You Save 5%
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Inline DI Replacement Kit

Inline DI Replacement Kit
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This is the inline DI used with the V series and can be installed on any system for a low cost upgrade to an RO DI system.

Market price: $24.95
Our price: $18.95 (€ 16.49), You Save 24%
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Catalytic carbon replacement filter

Catalytic carbon replacement filter
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10 inch catalytic carbon filter in a refillable cartridge for chloramine removal

Our price: $19.95 (€ 17.36)
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Optima V-Series Replacement filter set

Optima V-Series Replacement filter set
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This deal includes all of the filters you will need for your 6 month filter change!
Great Price!

Market price: $30.99
Our price: $29.95 (€ 26.06), You Save 3%
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RO DI system replacement filter set

RO DI system replacement filter set
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This deal includes all of the filters you will need for your 6 month filter change!
Great Price!

Market price: $30.99
Our price: $29.95 (€ 26.06), You Save 3%
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Catalytic Carbon add on kit

Catalytic Carbon add on kit
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Our Catalytic Carbon add on kit comes complete with 10 inch canister, fittings and a refillable carbon cartridge prefilled with a high quality catalytic carbon blend. Kit comes completely assembled so all you have to do is cut your output line pop this in and go!

Our price: $39.95 (€ 34.76)
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DI add on kit

DI add on kit
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Our DI add on kit comes complete with 10 inch canister, fittings and a refillable DI cartridge prefilled with top quality Resintech color change resin. Kit comes completely assembled so all you have to do is cut your output line pop this in and go!

Market price: $49.95
Our price: $41.99 (€ 36.53), You Save 16%
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Drinking water add on kit

Drinking water add on kit
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This kit comes with everything you need to convert your RO DI system into a Drinking water system.

Market price: $89.00
Our price: $59.95 (€ 52.16), You Save 33%
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Twin DI add on kit

Twin DI add on kit
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Our Twin DI add on kit comes complete with 2- 10 inch canisters, fittings and 2 refillable DI cartridges prefilled with top quality Resintech color change resin.

Market price: $89.95
Our price: $64.99 (€ 56.54), You Save 28%
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