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Reverse Osmosis Filters

Filter Kits
Filter Kits
Carbon Blocks & Sediment Filters
Carbon Blocks & Sediment Filters
DI Resin
DI Resin
Reverse Osmosis Membranes
Reverse Osmosis Membranes
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  • Insta-Test Total Chlorine Strips (Fresh Water) - LaMotte

    8 Reward Points

    Regular Price: $8.99

    Special Price: $8.06

    Out of stock

  • BRS Universal Carbon Block Filter - 1 Micron

    15 Reward Points

    Regular Price: $16.99

    Special Price: $15.24

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  • BRS Chlorine & VOC Carbon Block Filter - 5 Micron

    8 Reward Points

    Regular Price: $8.99

    Special Price: $8.06

    As low as: $7.99
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  • BRS 4 Stage Value Replacement Filter Kit

    26 Reward Points

    Regular Price: $29.99

    Special Price: $26.90

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  • BRS 6 Stage Universal Replacement Filter Kit

    53 Reward Points

    Regular Price: $59.99

    Special Price: $53.81

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  • BRS 5 Stage Universal Replacement Filter Kit

    44 Reward Points

    Regular Price: $49.99

    Special Price: $44.84

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  • 10" Purtrex Depth Sediment Filters

    Starting at: $2.68

  • BRS 4 Stage RO Only Replacement Filter Kit

    26 Reward Points

    Regular Price: $29.99

    Special Price: $26.90

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  • BRS 5 Stage Drinking Replacement Filter Kit

    41 Reward Points

    Regular Price: $45.99

    Special Price: $41.25

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  • BRS 6 Stage Drinking & Reef Replacement Filter Kit

    49 Reward Points

    Regular Price: $54.99

    Special Price: $49.32

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  • Case (25) of BRS Universal Carbon Block Filters - 1 Micron

    358 Reward Points

    Regular Price: $399.99

    Special Price: $358.75

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  • Case (40) of GE ROSAVE.Z Depth Filters - 5 Micron

    206 Reward Points

    Regular Price: $229.99

    Special Price: $206.28

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  • Case (40) of GE ROSAVE.Z Depth Filters - 1 Micron

    206 Reward Points

    Regular Price: $229.99

    Special Price: $206.28

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  • Case (25) of BRS Chlorine & VOC Carbon Block Filters - 5 Micron

    197 Reward Points

    Regular Price: $219.99

    Special Price: $197.31

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  • 10" MATRIKX Carbon Block

    Starting at: $7.17

  • BRS Bulk Deionization Resin - Color Changing

    Starting at: $11.65

  • BRS Bulk Deionization Resin

    Starting at: $9.86

  • Matrikx 3 Stage RO Replacement Filter Kit

    23 Reward Points

    Regular Price: $25.99

    Special Price: $23.31

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  • Matrikx 4 Stage RO (no DI) Replacement Filter Kit

    19 Reward Points

    Regular Price: $21.99

    Special Price: $19.72

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  • Matrikx 4 Stage RO/DI Replacement Filter Kit

    20 Reward Points

    Regular Price: $22.99

    Special Price: $20.62

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  • Matrikx 4 Stage RO Drinking Water Replacement Filter Kit

    34 Reward Points

    Regular Price: $37.99

    Special Price: $34.07

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  • Matrikx 5 Stage RO/DI Replacement Filter Kit

    31 Reward Points

    Regular Price: $34.99

    Special Price: $31.38

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  • BRS 5 Stage Chloramines Replacement Filter Kit

    40 Reward Points

    Regular Price: $44.99

    Special Price: $40.35

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  • Matrikx 5 Stage Drinking & Reef RO/DI Replacement Filter Kit

    43 Reward Points

    Regular Price: $47.99

    Special Price: $43.04

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  • Matrikx 6 Stage DELUXE Replacement Filter Kit

    40 Reward Points

    Regular Price: $44.99

    Special Price: $40.35

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  • BRS 6 Stage Chloramines DELUXE Replacement Filter Kit

    52 Reward Points

    Regular Price: $57.99

    Special Price: $52.01

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  • Catalytic Activated Carbon for Chloramines Removal

    Starting at: $10.75

  • Pentek ChlorPlus Carbon Block (Chloramines Removal)

    Starting at: $19.72

  • 75 GPD Reverse Osmosis Membrane - Dow Filmtec

    39 Reward Points

    Regular Price: $43.99

    Special Price: $39.45

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  • 100 GPD Reverse Osmosis Membrane - GE Osmonics

    41 Reward Points

    Regular Price: $45.99

    Special Price: $41.25

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  • 150 GPD Reverse Osmosis Membrane

    53 Reward Points

    Regular Price: $59.99

    Special Price: $53.81

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  • Insta-Test Free & Total Chlorine & Chloramine Strips (Fresh Water) - LaMotte

    11 Reward Points

    Regular Price: $12.99

    Special Price: $11.65

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