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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. FU-WDF-103-B Tier1 Long-Reach Black Faucet FCT-LR-B - Black

    FU-WDF-103-B Tier1 Long-Reach Black Faucet FCT-LR-B - Black

    Fits many different brands of reverse osmosis systems, including Pentek and Culligan Learn More
    $32.99 Retail Price:  $34.49
  2. 158319 Pentek Slim Line High Temp Filter Housing - Black

    158319 Pentek Slim Line High Temp Filter Housing - Black

    Fits standard 1/2-inch water lines Learn More
    $63.99 Retail Price:  $66.34
  3. 154134 Pentek Water Filtration System Housing Cap – (Black, 0.75 Inch)

    154134 Pentek Water Filtration System Housing Cap – (Black, 0.75 Inch)

    3/4 inch outlet, fits #10 and #20 Standard Blue water filtration system housings Learn More
    $21.99 Retail Price:  $27.59
  4. 154195 Pentek Water Filter Cap for Big Blue Housings (3/4 inch, Black)

    154195 Pentek Water Filter Cap for Big Blue Housings (3/4 inch, Black)

    3/4 inch outlet, fits #10 and #20 Standard Blue water filtration system housings Learn More
    $38.99 Retail Price:  $47.14
  5. 150194 Pentek High Temp Filtration System Housing (20 Inch)

    150194 Pentek High Temp Filtration System Housing (20 Inch)

    Sized 20 inches and connects via 3/4 inch NPT inlet/outlets Learn More

    Regular Price: $125.99

    Special Price: $114.05

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