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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.

Items 145 to 192 of 477 total

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  • EP5-20BB Tier1 Carbon Block Water Filter

    EP5-20BB Tier1 Carbon Block Water Filter

    As Low As $30.00 Per Filter

  • PS5-10C Pentek Comparable Sediment Water Filter by Tier1
  • P1-20 Pentek Comparable Sediment Water Filter by Tier1
  • S1 Pentek Comparable Whole House Water Filter by Tier1
  • S1-20BB Pentek Comparable Whole House Water Filter by Tier1
  • PL44-122NAC15 Pentek Bag Filter Housing - Carbon Steel
  • GP802AL2 Pentek Bag Filter Housing - Aluminum

    GP802AL2 Pentek Bag Filter Housing - Aluminum

    $999.99 Retail Price:  $1140.79
  • MPST-1 Pentek Multi-Purpose Cartridge and Bag Filter Housing - Stainless Steel
  • PBH-410-1 Pentek Bag Filter Housing with 1-inch Inlet/Outlet

    PBH-410-1 Pentek Filter Bag Housing

    $123.99 Retail Price:  $126.34
  • PBH-410-1-5 Pentek Bag Filter Housing with 1.5-inch Inlet/Outlet
  • 10-212 Pentek UV Lamp

    10-212 Pentek UV Lamp

    $47.99 Retail Price:  $67.38
  • EP-5 Pentek Replacement Filter Cartridge
  • Pentek 158114 10-inch Standard Filter Housing

    Pentek 158114 10-inch Standard Filter Housing

    $12.99 Retail Price:  $15.34
  • Pentek BN-410-200 Nylon Filter Bag

    Pentek BN-410-200 Nylon Filter Bag

    $11.99 Retail Price:  $14.34
  • Pentek BN-410-800 Nylon Filter Bag

    Pentek BN-410-800 Nylon Filter Bag

    $7.99 Retail Price:  $9.76
  • Pentek BN-420-100 Nylon Filter Bag

    Pentek BN-420-100 Nylon Filter Bag

    $10.99 Retail Price:  $13.67
  • Pentek BN-420-200 Nylon Filter Bag

    Pentek BN-420-200 Nylon Filter Bag

    $6.99 Retail Price:  $13.79
  • Pentek BN-420-400 Nylon Filter Bag

    Pentek BN-420-400 Nylon Filter Bag

    $10.99 Retail Price:  $13.79
  • Pentek BN-420-800 Nylon Filter Bag

    Pentek BN-420-800 Nylon Filter Bag

    $5.99 Retail Price:  $7.92
  • Pentek BPH-410-1 Polypropylene High Efficiency Filter Bag
  • Pentek BPHE-410-25 Polypropylene High Efficiency Filter Bag
  • Pentek BPHE-410-5 Polypropylene High Efficiency Filter Bag
  • Pentek BPHE-410-50 Polypropylene High Efficiency Filter Bag
  • Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    $13.99 Retail Price:  $17.12
  • Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    $23.99 Retail Price:  $25.29
  • Pentek KE10G2S Polyester Filter Bag

    Pentek KE10G2S Polyester Filter Bag

    $5.99 Retail Price:  $7.12
  • Pentek KE25G4S Polyester Filter Bag

    Pentek KE25G4S Polyester Filter Bag

    $5.99 Retail Price:  $6.89
  • Pentek KO100G1S Polypropylene Filter Bag

    Pentek KO100G1S Polypropylene Filter Bag

    $5.99 Retail Price:  $8.04
  • Pentek KO10G2S Polyester Filter Bag

    Pentek KO10G2S Polyester Filter Bag

    $6.99 Retail Price:  $8.04
  • Pentek KO1HE3 Polypropylene High Efficiency Filter Bag

    Pentek KO1HE3 Polypropylene High Efficiency Filter Bag

    $16.99 Retail Price:  $19.34
  • Pentek KO5G4S Polypropylene Filter Bag

    Pentek KO5G4S Polypropylene Filter Bag

    $4.99 Retail Price:  $6.89
  • Pentek NMO800K1S Nylon Filter Bag

    Pentek NMO800K1S Nylon Filter Bag

    $5.99 Retail Price:  $8.04
  • Pentek PD-1-30 Polypropylene Sediment Filter
  • Pentek PO1HE2 Polypropylene High Efficiency Filter Bag

    Pentek PO1HE2 Polypropylene High Efficiency Filter Bag

    $30.99 Retail Price:  $174.79
  • Pentek PO25G4S Polypropylene Filter Bag

    Pentek PO25G4S Polypropylene Filter Bag

    $5.99 Retail Price:  $8.34
  • Pentek PO50G3S Polypropylene Filter Bag

    Pentek PO50G3S Polypropylene Filter Bag

    $5.99 Retail Price:  $6.89
  • Pentek PS5-30C Polypropylene Sediment Filter

    Pentek PS5-30C Polypropylene Sediment Filter

    $9.99 Retail Price:  $12.64
  • Pentek SCBC-10 Silvered Carbon Block

    Pentek SCBC-10 Silvered Carbon Block

    $22.99 Retail Price:  $24.71
  • Pentek 150070 20 inch Blue Standard Filter Housing

    Pentek 150070 20 inch Blue Standard Filter Housing

    $36.99 Retail Price:  $43.69
  • Pentek 158623 Clear 3G Filter Housing

    Pentek 158623 Clear 3G Filter Housing

    $19.99 Retail Price:  $21.26
  • Pentek 166141 Big White 20-inch Filter Housing

    Pentek 166141 Big White 20-inch Filter Housing

    $39.95 Retail Price:  $58.64
  • Pentek 166142 Big White 20-inch x 4.5-inch Filter Housing
  • Pentek PD-10-30 Polypropylene Sediment Filter

    Pentek PD-10-30 Polypropylene Sediment Filter

    $19.99 Retail Price:  $22.34
  • Pentek QC10-CB1R Carbon Block Quick Change Filter

    Pentek QC10-CB1R Carbon Block Quick Change Filter

    $22.99 Retail Price:  $31.04
  • RWC-5 American Plumber Undersink Filter Replacement Cartridge

Items 145 to 192 of 477 total

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