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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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  1. P1 Pentek 10 x 2.5-inch Whole House Sediment Water Filter Replacement

    P1 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More

    As Low As $2.39 Per Filter

  2. P1-20 Pentek Comparable Sediment Water Filter by Tier1

    P1-20 Pentek Comparable Sediment Water Filter by Tier1

    Fits standard filter housings using 20 x 2.5-inch filters Learn More

    As Low As $4.54 Per Filter

  3. SPC-25-1001 Hydronix Pleated Sediment Filter

    SPC-25-1001 Hydronix Pleated Sediment Water Filter

    1 micron filter, sized 9 7/8x2.5 inches Learn More

    As Low As $6.00 Per Filter

  4. Pentek P1 Polyproplyene Water Filter (10 x 2 1/2)

    P1 Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More

    As Low As $5.60 Per Filter

  5. P1 Pentek Comparable Whole House Sediment Filter by Tier1 (2-Pack)

    P1 Pentek Comparable Whole House Sediment Water Filter by Tier1 (2-Pack)

    Fits most standard 10 x 2.5-inch housings Learn More

    $7.99

  6. Pentek ECP1-10 Replacement Water Filter Cartridge

    ECP1-10 Pentek Replacement Filter Cartridge

    Fits most housings that accept 10-inch x 2.5-inch water filter cartridges Learn More

    As Low As $7.00 Per Filter

  7. Pentek BPH-410-1 Polypropylene High Efficiency Filter Bag

    Pentek BPH-410-1 Polypropylene High Efficiency Filter Bag

    Fits the Pentek PBH-410 series filter bag housing Learn More
    $6.99 Retail Price:  $9.19
  8. P1-5 Tier1 Sediment Filter Cartridge

    P1-5 Tier1 Sediment Filter Cartridge

    Sized 4 7/8 x 2 1/2 inches Learn More

    Regular Price: $4.99

    Special Price: $2.05

  9. PS1-10C Pentek Whole House Replacement Sediment Filter Cartridge

    PS1-10C Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $3.99 Retail Price:  $5.28
  10. SBC-25-1001 Hydronix Sediment Water Filter Cartridge

    SBC-25-1001 Hydronix Sediment Water Filter Cartridge

    1 micron filter, sized 10 x 2.5 inches Learn More
  11. BP-410-1 Pentek Polypropylene Bag Filter

    BP-410-1 Pentek Polypropylene Bag Filter

    Fits Pentek PBH-410 housings Learn More
    $4.99 Retail Price:  $7.00
  12. BP-420-1 Pentek Polypropylene Bag Filter

    BP-420-1 Pentek Polypropylene Bag Filter

    Fits Pentek PBH-420 housings Learn More
    $5.99 Retail Price:  $8.15
  13. SDC-25-0501 Hydronix Sediment Water Filter Cartridge

    SDC-25-0501 Hydronix Sediment Water Filter Cartridge

    1 micron filter, sized 5 x 2.5 inches Learn More
    $5.99 Retail Price:  $9.34
  14. PD-1-934 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-1-934 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $6.99 Retail Price:  $8.15
  15. SDC-25-1001 Hydronix Sediment Water Filter Cartridge

    SDC-25-1001 Hydronix Sediment Water Filter Cartridge

    1 micron filter, sized 2 1/2 x 9 7/8 inches Learn More
    $6.99
  16. SWC-25-1001 Hydronix String Wound Sediment Water Filter

    SWC-25-1001 Hydronix String Wound Sediment Water Filter

    1 micron filter, sized 10 x 2.5 inches Learn More
    $7.99
  17. PD-1-20 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-1-20 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most standard housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $9.99 Retail Price:  $11.72

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