APEC Ultimate Counter-Top Reverse Osmosis System Replacement Filters (RO-CTOP) <a name="ctop"></a>

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  1. APEC RO Replacement Filters Pre-filter Set for ULTIMATE RO-CTOP, RO-CTOP-C, RO-CTOP-PH and RO-CTOP-PHC Countertop Reverse Osmosis Systems (Stages 1 and 2)
    Member Price $40.95 Listed Price $45.00

    APEC ULTIMATE (US-Made) High Capacity Countertop Pre-Filter Set

    1/4" Quick-Connect input/output.

    For RO-CTOP, RO-CTOP-C, RO-CTOP-PH and RO-CTOP-PHC models.

    Stage 1-2 Recommend changing every 6-8 months.

    Industry standard sized filters.

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  2. APEC RO Replacement Filters Complete Filter Set for ULTIMATE RO-CTOP and RO-CTOP-C Countertop Reverse Osmosis Systems (Stages 1-4)
    Member Price $124.95 Listed Price $125.00

    APEC ULTIMATE Complete 4-Stage High Capacity Filter Set (US-Made)

    Includes stage 1 to 2 pre-filters, 3rd stage RO membrane, and 4th stage carbon filter.

    For RO-CTOP & RO-CTOP-C models.

    Stage 1-2 Recommend changing every 6-8 months. Stage 3 Recommend changing every 3-5 years. Stage 4 Recommend changing every 2-3 years.

    Works with most brands of counter-top RO systems on the market.

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  3. APEC RO Replacement Filters Pre-filter Set for ULTIMATE RO-CTOP-PH and RO-CTOP-PHC Countertop Reverse Osmosis Systems (Stages 1 2 and 4)
    Member Price $74.95 Listed Price $75.00

    APEC ULTIMATE (US-Made) High Capacity Countertop Pre-Filter Set + 4th stage pH remineralization filter

    For RO-CTOP-PH & RO-CTOP-PHC models.

    Stage 1&2 Recommend changing every 6-8 months. Stage 4 Recommend changing every 6-12 months.

    Industry standard sized filters.

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  4. APEC RO Replacement Filters Complete Filter Set for ULTIMATE RO-CTOP-PH and RO-CTOP-PHC Countertop Reverse Osmosis Systems (Stages 1-4)
    Member Price $146.95 Listed Price $148.00

    APEC ULTIMATE (US-Made) RO-CTOP-PH Complete 4-Stage High Capacity Filter Set

    Includes stage 1 & 2 pre-filters, 3rd stage RO membrane, and 4th stage pH filter.

    For RO-CTOP-PH & RO-CTOP-PHC models.

    Stage 1&2 Recommend changing every 6-8 months. Stage 3 Recommend changing every 3-5 years. Stage 4 Recommend changing every 6-12 months.

    Works with most brands of counter-top RO systems on the market.

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  5. APEC ULTIMATE Inline Sediment Pre-filter 10", with 1/4"Quick-Connect
    Member Price $20.95 Listed Price $24.00

    APEC ULTIMATE 1st stage (US-Made) High Capacity Sediment Filter

    K2505 1/4" Quick-Connect type Omnipure.

    For RO-CTOP, RO-CTOP-PH, RO-CTOP-C, RO-CTOP-PHC and RO-QUICK90 Stage 1.

    Recommed changing every 6 to 8 months.

    Industry standard sized filters.

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  6. APEC ULTIMATE Inline Carbon Pre-filter 10", with 1/4" Quick-Connect
    Member Price $20.95 Listed Price $24.00

    APEC ULTIMATE 2nd or 4th stage (US-Made) High Capacity Coconut Shell Carbon Filter

    K2505 1/4" Quick-Connect type Omnipure.

    For RO-CTOP, RO-CTOP-C, RO-QUICK90 2nd&4th stage, RO-CTOP-PH, RO-CTOP-PHC 2nd stage.

    Recommend changing every 2-3 years.

    Industry standard sized filters.

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  7. APEC High-Rejection 90 GPD Reverse Osmosis Membrane for ULTIMATE RO-90, RO-PH90 & RO-PERM Systems
    Member Price $78.95 Listed Price $87.00

    4th stage High Capacity RO Membrane 90 GPD (US-Made)

    APEC special, lab-tested, highest rejection rate guaranteed, fast response time. Filmtec FDA Membrane.

    For RO-90, RO-PH90, RO-PERM, RO-CTOP, RO-CTOP-PH and RO-QUICK90 models.

    Recommend Changing every 3 to 5 years for under-sink RO systems.

    Recommend Changing every 2 to 3 years for countertop RO systems.

    Works with most brands of under counter RO that uses Industry standard sized membranes.

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  8. APEC 10" High Purity pH+ Calcium Carbonate Re-mineralization Inline Filters
    Member Price $37.95 Listed Price $40.00

    APEC pH+ 10" inline Filter (US-Made)

    1/4" Quick-Connect input/output.

    For RO-PH90, RO-CTOP-PH, ROES-PH75 and systems with pH enhancer kit upgrade.

    Recommend changing every 6-12 months.

    Works with most brands of under counter RO that uses Industry standard sized 10" filters.

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