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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 1 to 48 of 120 total

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  • SPC-25-1001 Hydronix Pleated Sediment Filter

    SPC-25-1001 Hydronix Pleated Sediment Water Filter

    As Low As $7.99 Per Filter

  • SPC-25-1020 Hydronix Sediment Water Filter

    SPC-25-1020 Hydronix Pleated Sediment Water Filter

    As Low As $7.99 Per Filter

  • Pentek CW-MF Whole House Water Filter Replacement Cartridge

    CW-MF Pentek Whole House Filter Replacement Cartridge

    As Low As $5.60 Per Filter

  • EP10-10 Tier1 Carbon Block Water Filter

    EP10-10 Tier1 Carbon Block Water Filter

    As Low As $7.67 Per Filter

  • AP110 Aquapure Comparable Whole House Sediment Water Filter by Tier1
  • Hydronix SPC-25-1005 Pleated Water Filter

    SPC-25-1005 Hydronix Pleated Sediment Water Filter

    As Low As $8.99 Per Filter

  • Pentek KO5G4S Polypropylene Filter Bag

    Pentek KO5G4S Polypropylene Filter Bag

    $4.99 Retail Price:  $6.89
  • Pentek BN-420-800 Nylon Filter Bag

    Pentek BN-420-800 Nylon Filter Bag

    $5.99 Retail Price:  $7.92
  • 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 NMO800K1S Nylon Filter Bag

    Pentek NMO800K1S Nylon Filter Bag

    $5.99 Retail Price:  $8.04
  • 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
  • EP-5 Pentek Replacement Filter Cartridge
  • Pentek BN-420-200 Nylon Filter Bag

    Pentek BN-420-200 Nylon Filter Bag

    $6.99 Retail Price:  $13.79
  • Pentek BPH-410-1 Polypropylene High Efficiency Filter Bag
  • Pentek KO10G2S Polyester Filter Bag

    Pentek KO10G2S Polyester Filter Bag

    $6.99 Retail Price:  $8.04
  • P5 Pentek Whole House Replacement Sediment Filter Cartridge
  • Pentek BN-410-800 Nylon Filter Bag

    Pentek BN-410-800 Nylon Filter Bag

    $7.99 Retail Price:  $9.76
  • Pentek PS5-30C Polypropylene Sediment Filter

    Pentek PS5-30C Polypropylene Sediment Filter

    $9.99 Retail Price:  $12.64
  • P1-5 Tier1 Sediment Filter Cartridge

    P1-5 Tier1 Sediment Filter Cartridge

    Regular Price: $5.99

    Special Price: $2.05

  • P10-5 Tier1 Polypropylene Sediment Filter

    P10-5 Tier1 Polypropylene Sediment Filter

    Regular Price: $4.99

    Special Price: $2.55

  • PX20-9-78 Purtrex Replacement Filter Cartridge

    PX20-9-78 Purtrex Water Filter Cartridge

    $3.99 Retail Price:  $5.74
  • SBC-25-1001 Hydronix Sediment Water Filter Cartridge
  • KE25G1S Pentek Polyester Felt Bag Filter

    KE25G1S Pentek Polyester Felt Filter Bag

    $4.09 Retail Price:  $7.00
  • KO50G4S Pentek Polypropylene Bag Filter

    KO50G4S Pentek Polypropylene Filter Bag

    $4.99 Retail Price:  $5.85
  • PX20-20 Purtrex Replacement Filter Cartridge

    PX20-20 Purtrex Replacement Water Filter

    $4.99 Retail Price:  $8.04
  • BP-410-1 Pentek Polypropylene Bag Filter

    BP-410-1 Pentek Polypropylene Bag Filter

    $4.99 Retail Price:  $7.00
  • BP-410-200 Pentek Polypropylene Bag Filter

    BP-410-200 Pentek Polypropylene Bag Filter

    $4.99 Retail Price:  $7.00

Items 1 to 48 of 120 total

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