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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.)

set of  4 replacement filters , 4 stage Microline TFC-25D - RO system uses a carbon block pre-filter to reduce sediment, chlorine and chlorine by-products before the membrane filters out impurities larger than .001 microns. The 2 GAC post filters treat for taste and odor. You can find and order all your filters at once in our replacement kits Microline TFC-25D RO System Replacement Water Filter Kit S7028|S1227RS|S7025|K2333-BB. Microline TFC-25D RO System Replacement Water Filter Kit provides a complete one year supply of filters for your TFC-25D reverse osmosis system. This kit includes all pre and post filters as well as the membrane. Kit includes: Qty. 1 - S7028 Compatible Sediment/Carbon Block Prefilter Qty. 1 - S1227RS TFC RO Membrane 25 gpd Qty. 1 - S7025 GAC Postfilter Qty. 1 - K2333-BB Inline GAC Postfilter Note: Reverse osmosis membrane needs to be replaced every 2-3 years. Microline TFC-25D


STAGE 1 – Sediment/Carbon Pre-Filter (S7028) – Replace Every 12 Months
STAGE 2 – RO Membrane TFC 25 GPD (S1227RS) – Replace Every 24 Months
STAGE 3 – Carbon GAC Post Filter (S7025) – Replace Every 12 Months
STAGE 4 – Inline Carbon GAC Post Filter (K2333-BB) – Replace Every 12 Months

Microline TFC-25D SET OF 4 replacement filters

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