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Aqua Sky, inc. Since 1996



 Worldwide Shipping From The Following Locations

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 

  • (New York U.S.A.) 

  • (California U.S.A.)

  • (Ontario Canada.)

  • (Athlone, Dublin Ireland.)   

  • (Manchester, U.K.)

  • (Dijon, France.)

  • (Nürnberg, Germany.)

  • (Kapfenberg, Austria.)

  • (Alice Springs, Australia.)

Buy online, Reverse Osmosis Replacement Filter Set with 75 GPD RO Membrane organic cellulose for 5 stage under sink reverse osmosis water systems, 100% reduction rate of bacteria, pesticides, herbicides, and heavy metals from tap water, the main stage in this systems is the RO membrane and all of the other replacement filters are serving and providing protection to that membrane, if the pre-filters fail to work due to poor quality, that means your RO membrane will not give you 100% reduction rate. it include 4 filters and a membrane that must be replaced periodically, The different filters represent the different stages that the water goes through while being purified, Generally - Pre-Filters and post-Filters in RO systems can last around 8 To 12 months between changes.
Only the original organic RO membranes can last as long as 5 years.


  • Reverse Osmosis Replacement Filter Set with 75GPD RO Membrane

This kit is the universal replacement set for most of our Reverse Osmosis systems, and contains one of each of the pre-filters, a 75 GPD RO membrane and an inline polishing filter.


1x 10" Standard 5-micron Sediment Filter 

  • Size 2.5" x 9 7/8" Fits most standard 10" size housings and most reverse osmosis systems.
  • Used to remove larger particles & suspended matter such as dirt, silt, rust, sand, algae, sediment, scale particles, and cloudiness from water.
  • Meets FDA requirements for food and beverage contact
  • No leach able or extractable to contaminate
  • Long life and increased dirt holding capacity
  • No surface binders to reduce flow and increase change-out frequency

1x 10" Standard Granular Activated Carbon (GAC) Filter 

  • Size 2.5" x 9 7/8" Fits most standard 10" size housings and most reverse osmosis systems.
  • Remove Chlorine, Turbidity, Bad Taste & Odor, Sediment, Dirt, and THMS from water.
  • 1 Micron filter membrane included to prevent carbon fines to pass from the filter to your water.
  • Operation Temperature: 40°F to 125°F
  • Lower pressure drop

1x 10" Standard Carbon Block (CTO) Filter 

  • Size 2.5" x 9 7/8" Fits most standard 10" size housings and most reverse osmosis systems.
  • Thick Wall 100% coconut shell carbon Designed For maximum contact between the water and carbon
  • Remove small particles and carbon fines may pass from second stage & to ensure 100% of chlorine removal from water.

1x 75GPD NSF Certified Reverse Osmosis Membrane 

  • 75 GPD R.O. Membrane at 60 PSI
  • We Suggest to change your membrane every 2 years
  • To remove particles down to 1/10,000 of a micron ( which is 98% of impurities including Organic, inorganic And chemicals).

1x Inline Granular Activated Carbon Filter 

  • Used to polish the taste of reverse osmosis water (Last Stage), Ice maker Refrigerators Drinking Coolers
  • Max Flow: 0.5 GPM
  • Max Pressure: 125 PSI
  • Max Temperature: 100°F
  • Inlet/Outlet: ¼" NPT

5 Stage Reverse Osmosis Full Replacement Water Filter Kit with 75 GPD Membrane

  • Buy online - under the counter sink replacement filters organic set Of 5 replacement filters cartridges to be used with all standard size 5 stage under sink reverse osmosis water systems - reverse osmosis replacement filters cartridges - Organic.

    ( look for compatible systems list )



    • US Water Reverse Osmosis Water Filters.
    • US Water Galaxy Reverse Osmosis Water Filters.
    • US Water Aquapurion Reverse Osmosis Water Filters.
    • Watts 5 stage Reverse Osmosis Water Filters.
    • Purevalue Reverse Osmosis Water Filters.
    • Proline Plus Reverse Osmosis Water Filters.
    • Proline Gold Reverse Osmosis Water Filters.
    • Nelson Reverse Osmosis Water Filters.
    • Isopure Reverse Osmosis Water Filters.
    • iSpring Reverse Osmosis Water Filters.
    • Tier1Reverse Osmosis Water Filters.
    • Hydronix Reverse Osmosis Water Filters.
    • Max Reverse Osmosis Water Filters.
    • AQUARIUM Reverse Osmosis Water Filters.
    • APEC Reverse Osmosis Water Filters.
    • APEX Reverse Osmosis Water Filters.
    • Titan Water Pro Reverse Osmosis Water Filters.
    • Home Pure Reverse Osmosis Water Filters.
    • Premier Reverse Osmosis Water Filters.
    • Blue Wave Water Reverse Osmosis Water Filters.
    • COP and all standard 5 stage RO Systems.
    • 5 stage ro filter replacement kit.


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