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Aqua Sky, inc. Since 1998 

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Website last update / the 30th of October 2023

Order Processing


  • U.S.A, Canada, Europe and Australia free shipping all orders.

  • Orders will be dispatched within one business day after an order has been received.

  • Orders placed on Friday after 3pm (Pacific Time) will begin processing the following Monday.

  • Confirmation email will be sent to customers once the order has been dispatched.

  • Please feel free to contact us for any additional information by email Phone toll free  1(800) 551-3221 

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Are you looking for a reliable water filtration system? Look no further than Flexcon Fro-122-5 Universal size,10" Replacement Filters, THIS IS NOT THE 12" Filters, these 10" filters come in the 5 reverse osmosis cartridges, its 3 large housings vertical filters on the bottom with another 2 smaller filters horizontal on top.


These filters boast a 99% reduction rate of bacteria, pesticides, herbicides, and heavy metals from tap water.


The main stage in this system is the RO membrane, and all of the other replacement filters serve to protect that membrane.


It's important to note that if the pre-filters fail due to poor quality, your RO membrane won't give you a 99% reduction rate. 


Flexcon's 5 reverse osmosis for 122 is 100% organic and produces 50 gallons of water daily. If you're in need of replacement filters


Generally, pre-filters and post-filters in RO systems can last around 8 to 12 months between changes. Membranes can last as long as 5 years. 


Stage 1 -


The sediment cartridge is the first filter installed in the Flexcon 5 reverse osmosis for 122 water filter system. Its main function is to remove large and fine particles from drinking water, such as sand, dirt, silt, and rust particles. Removal of such particles allows for better performance of all the following filters, such as carbon block or GAC filters.


This filter has a micron rating of 5 and should be replaced every year, depending on water quality. This filter is wrapped and sealed and meets NSF Standards and Regulations. 


Stages 2 and 3 -

The activated carbon block filters are made of fine coconut shell carbon and remove odours and tastes of many organic compounds, especially chlorine.

They offer a much finer filtration of suspended particles and dirt due to their packed carbon in a cylinder block.

These filters also have a micron rating of 5 and should be replaced every year, depending on water quality. They are wrapped and sealed and meet NSF Standards and Regulations. 


Stage 4 -

The 50-gallon-per-day NSF-certified thin film TFC membrane is the main component of the Flexcon 5 Reverse osmosis for 122 water filter system units. It's made with 100% organic fine thin film flat sheet and has a 99% Reduction rate of bacteria, pesticides, herbicides, and heavy metals from tap water.

The original PA-E RO-132 reverse osmosis membrane has the micron rating of a thin film less than 1/10000th of a micron, which is 620,000 times thinner than a human hair, 2,500 times smaller than bacteria, and 20 times smaller than any virus. This membrane is wrapped and sealed and meets NSF standards and regulations. 


Stage 5 - The reverse osmosis under counter sink replacement inline carbon filter stabilizes the water-tasting qualities and removes any traces of bad taste and odours.

These filters are known as polishing filters because they are usually the last stage of any standard reverse osmosis circuit.

They are made of high-quality coconut shell carbon, have dimensions of 10" x 2", and should be replaced every 1-2 years.

This filter is wrapped and sealed and meets NSF Standards and Regulations.

Flexcon - 5 Fro-122 Replacement Filters - Set Of 5 Reverse Osmosis Cartridge

SKU: FLX-01325547760-5
$168.00 Regular Price
$132.72Sale Price
  • Flexcon-5, Reverse osmosis for the 122 water system, which is a 5 stages with standard 10" filters, under counter sink replacement made in the U.S.A

    • A Set Of 5 Replacement filter cartridges are standard size . All 5 Stages under sink Flexcon reverse osmosis for 122
  • US Water RO Systems,

    US Water Galaxy, US Water Aquapurion,

    Watts 5 stage systems,


    Proline Plus,

    Proline Gold,






    Max Water Systems,




    Titan Water Pro,

    Home Pure,

    Premier Water System,

    Blue Wave Water,

    COP and all standard 5 stage RO Systems.


    Also Compatible With: 5EZ50, GTS-550S, NRO05-50, 200-GX-5050, ISO-RO5 GTS-550, Tier1, RO5-WF, RO550-W, W-525, WP5-50, RCW5

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