Discount Water Filters and Air Filters at Discount Filter Store.com

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Water Filtration Systems & Filters

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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Items 49 to 96 of 124 total

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  • CP5-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge
  • CFS22 Cuno Whole House Filter Housing

    CFS22 Cuno Whole House Filter Housing

    $128.99
    MSRP: $148.34
    Save 13%
  • HB-20-1W Harmsco Calypso Blue Replacement Filter Cartridge
  • HB-20-20W Harmsco Calypso Blue Replacement Filter Cartridge
  • HB-20-50W Harmsco Calypso Blue Replacement Filter Cartridge
  • HB-20-5W Harmsco Calypso Blue Replacement Filter Cartridge

    HB-20-5W Harmsco Calypso Blue Replacement Filter Cartridge

    $31.99
    MSRP: $36.79
    Save 13%
  • HC40-5 Harmsco Replacement Filter Cartridge

    HC40-5 Harmsco Replacement Filter Cartridge

    $92.99
    MSRP: $95.34
    Save 2%
  • SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SPC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • HFPP-112-PR10 Pentek Big Blue Whole House 10 inch Filter Housing
  • KO50G4S Pentek Polypropylene Filter Bag

    KO50G4S Pentek Polypropylene Filter Bag

    $5.09
    MSRP: $9.99
    Save 49%
  • KO5G3S Pentek Polypropylene Bag Filter

    KO5G3S Pentek Polypropylene Filter Bags

    $4.99
    MSRP: $7.00
    Save 29%
  • ST-3 Pentek Filter Housing - Stainless Steel

    ST-3 Pentek Filter Housing - Stainless Steel

    $283.99
    MSRP: $345.79
    Save 18%
  • ST-BC-4 Pentek Filter Housing - Stainless Steel

    ST-BC-4 Pentek Filter Housing - Stainless Steel

    $759.05
    MSRP: $1,009.11
    Save 25%
  • WP10BB97P Pentek Whole House Filter Replacement Cartridge

    WP10BB97P Pentek Whole House Filter Replacement Cartridge

    $17.99
    MSRP: $19.31
    Save 7%
  • WP1BB20P Pentek Whole House Filter Replacement Cartridge

    WP1BB20P Pentek Whole House Filter Replacement Cartridge

    $36.99
    MSRP: $39.55
    Save 6%
  • WP25BB20P Pentek Whole House Filter Replacement Cartridge

    WP25BB20P Pentek Whole House Filter Replacement Cartridge

    $35.99
    MSRP: $37.82
    Save 5%
  • WP5BB20P Pentek Replacement Filter Cartridge

    WP5BB20P Pentek Replacement Filter Cartridge

    $34.99
    MSRP: $42.54
    Save 18%
  • WPX100BB97P Pentek Replacement Filter Cartridge

    WPX100BB97P Pentek Replacement Filter Cartridge

    $18.99
    MSRP: $24.14
    Save 21%
  • WPX50BB97P Pentek Replacement Filter Cartridge

    WPX50BB97P Pentek Replacement Filter Cartridge

    $19.99
    MSRP: $24.14
    Save 17%
  • 650651 Trojan UV Max UV Water Purification System
  • 650686 Trojan UV Max UV Water Purification System
  • 150235 Pentek Whole House Filter System

    150235 Pentek Whole House Filter System

    $64.99
    MSRP: $73.36
    Save 11%
  • BBFS-22 Pentek Two Housing Filter System

    BBFS-22 Pentek Two Housing Filter System

    $175.09
    MSRP: $203.65
    Save 14%
  • BBFS-222 Pentek Three Housing Filter System

    BBFS-222 Pentek Three Housing Filter System

    $224.99
    MSRP: $331.43
    Save 32%
  • BN-410-250 Pentek Nylon Bag Filter
  • BP-410-1 Pentek Polypropylene Bag Filter

    BP-410-1 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%
  • BP-410-200 Pentek Polypropylene Bag Filter

    BP-410-200 Pentek Polypropylene Bag Filter

    $5.09
    MSRP: $9.99
    Save 49%
  • BP-410-25 Pentek Polypropylene Bag Filter

    BP-410-25 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%
  • BP-410-5 Pentek Polypropylene Bag Filter

    BP-410-5 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%
  • BP-420-1 Pentek Polypropylene Bag Filter

    BP-420-1 Pentek Polypropylene Bag Filter

    $5.99
    MSRP: $8.15
    Save 27%
  • BP-420-10 Pentek Polypropylene Bag Filter

    BP-420-10 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $8.15
    Save 39%
  • BP-420-100 Pentek Polypropylene Bag Filter

    BP-420-100 Pentek Polypropylene Bag Filter

    $5.09
    MSRP: $10.99
    Save 54%
  • BP-420-200 Pentek Polypropylene Bag Filter

    BP-420-200 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%
  • BP-420-25 Pentek Polypropylene Bag Filter

    BP-420-25 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%
  • BP-420-5 Pentek Polypropylene Bag Filter

    BP-420-5 Pentek Polypropylene Bag Filter

    $5.99
    MSRP: $8.15
    Save 27%
  • BP-420-50 Pentek Polypropylene Bag Filter

    BP-420-50 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $8.15
    Save 39%
  • BPHE-420-1 Pentek Polypropylene High Efficiency Bag Filter

    BPHE-420-1 Pentek Polypropylene High Efficiency Bag Filter

    $11.99
    MSRP: $16.55
    Save 28%
  • BPHE-420-100 Pentek Polypropylene High Efficiency Bag Filter
  • BPHE-420-25 Pentek Polypropylene High Efficiency Bag Filter
  • BPHE-420-5 Pentek Polypropylene High Efficiency Bag Filter
  • 3/4-30-F Rusco Polyester Screened Spin-Down Water Filtration System
  • 3/4-30SS-F Rusco Stainless Steel Screen Spin-Down Water Filtration System
  • 3/4-500-F Rusco Polyester Screened Spin-Down Water Filtration System
  • 3/4-500ST-F Rusco Polyester Screen Sediment Trapper System

    3/4-500ST-F Rusco Polyester Screen Sediment Trapper System

    $81.99
    MSRP: $96.59
    Save 15%
  • 3/4-60ST-F Rusco Polyester Screen Sediment Trapper System

    3/4-60ST-F Rusco Polyester Screen Sediment Trapper System

    $79.09
    MSRP: $93.25
    Save 15%
  • S12Q-PA Sterilight UV Water Sterilizer System
  • 650687 Trojan UVMAX F4 Plus UV Disinfection System

Items 49 to 96 of 124 total

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