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    • Home / Pentek 20 x 4.5 Inch Water Filters

    Pentek 20 x 4.5 inch water filters also known as 20-inch "Big Blue" filters, are available in a few different media options to help address your water concerns. To view more comparable filters, check out our 20 x 4.5 Inch Big Blue Water Filters collection. 

    Pentek WP1BB20P String-Wound Water Filters (Sold Individually) - WaterFilters.NET
    Pentek WP1BB20P String-Wound Water Filters (Sold Individually)
    $72.03 - $1,521.27

    Pentek ECP50-20BB Pleated Sediment Water Filter (Sold Individually) - WaterFilters.NET
    Pentek ECP50-20BB Pleated Sediment Water Filter (Sold Individually)
    $41.73 - $881.34

    WPX100BB20P Fibrillated Polypropylene Water Filter (Sold Individually) - WaterFilters.NET
    WPX100BB20P Fibrillated Polypropylene Water Filter (Sold Individually)
    $64.58 - $1,363.93

    Pentek CFB-PLUS20BB Replacement Filter Cartridge - WaterFilters.NET
    Pentek CFB-PLUS20BB Replacement Filter Cartridge
    $87.51 - $1,848.21