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  1. Reverse Osmosis Drinking Water (7)
  2. Filter Housings (31)
  3. Taste & Odor Filter Cartridges (45)
  4. Sediment Filter Cartridges (75)
  5. Specialty Drinking Water Filters (23)
  6. Refrigerator / Ice Maker Filters (5)
  7. Ultraviolet Purifiers (6)
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  2. Yes (2)
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  3. 4 1/2" (10)
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  2. 10 inches (52)
  3. 20 inches (33)
  4. 30 inches (7)
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  1. 15 gpd (5)
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  4. 4 Stage + ECF (1)
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  2. 4.5" (9)
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Drinking Water

Shop our full line of drinking water filtration systems. From sediment filters and housings to reverse osmosis and UV purifiers, WSF has the largest selection of drinking water purification supplies anywhere. We believe that your family deserves the best water possible, so we provide the finest drinking water filtration available. Have a question about drinking water filtration? Ask our experts!

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BIg Blue Pentek Polypropylene String-Wound, 1 Mic.

Regular Price: $27.26

Special Price: $20.45

This Big Blue polypropylene string wound filter cartridge is 1 micron and designed for heavy duty uses when filtering out large sediment. This filter cartridge measures 4 1/2" in diameter and 10" in length. Learn More

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Pentek Big Blue Polypropylene String-Wound, 5 Mic.

Regular Price: $58.09

Special Price: $38.99

This Big Blue polypropylene string wound filter cartridge is 5 micron and designed for heavy duty uses when filtering out large sediment. This filter cartridge measures 4 1/2" in diameter and 20" in length. Learn More

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Big Blue Pentek Polypropylene String-Wound, 25 Mic. (20" length)

Regular Price: $57.24

Special Price: $36.99

This Big Blue polypropylene string wound filter cartridge is 1 micron and designed for heavy duty uses when filtering out large sediment. This filter cartridge measures 4 1/2" in diameter and 20" in length. Learn More

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Pentek P1-20 Spun Polypropylene, 1 mic.

Regular Price: $12.77

Special Price: $6.49

This Pentek P1-20 Spun Polypropylene, 1 mic. cartridge filter is 2 3/4" x 20" Learn More

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Pentek CP-5 Pleated Cellulose-Polyester, 5 mic.

Regular Price: $9.75

Special Price: $4.95

Dimensions: 2 3/4" diameter by 9 3/4" length

5 Micron Rating

This Pentek CP-5 cartridge filter is a general purpose pleated filter cartridge and designed to reduce sand, dirt, sediment, silt, rust, and scale particles from your water. Learn More

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Pentek CP5-20 Pleated Cellulose-Polyester, 5 mic.

Regular Price: $19.17

Special Price: $10.99

This Pentek CP5-20 Pleated Cellulose-Polyester, 5 mic. is 2 3/4" x 20" and will remove sediment from your water. Learn More

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Pentek CP-10 Pleated Cellulose-Polyester, 10 mic.

Regular Price: $9.39

Special Price: $4.95

Dimensions: 2 3/4" diameter by 9 3/4" length

10 Micron Rating

This Pentek CP-10 cartridge filter is a general purpose pleated filter cartridge and designed to reduce sand, dirt, sediment, silt, rust, and scale particles from your water. Learn More

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Pentek S1-20 Pleated Cellulose, 20 mic.

Regular Price: $14.46

Special Price: $10.85

This Pentek S1-20 Pleated Cellulose, 20 mic. is 2 3/4" x 20" and will remove sediment from your water. Learn More

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Pentek S1 Pleated Cellulose, 20 mic

Regular Price: $6.47

Special Price: $4.35

This Pentek S1 Pleated Cellulose Cartridge for dirt rust and sediment. 20 Mircon. 2 3/4" x 9 3/4" Learn More

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Pentek R30-20 Pleated Polyester - Reusable, 30 mic.

Regular Price: $24.13

Special Price: $12.49

Dimensions: 2 3/4" x 20"

30 Micron Rating and Reusable

This general purpose pleated filter cartridge is designed to reduce sand, dirt, sediment, silt, rust, and scale particles from your water. Learn More

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Big Blue Pentek Polypropylene String-Wound, 25 Mic.

Regular Price: $25.70

Special Price: $19.28

This Big Blue polypropylene string wound filter cartridge is 25 micron and designed for heavy duty uses when filtering out large sediment. This filter cartridge measures 4 1/2" in diameter and 10" in length. Learn More

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Pentek C1 Activated Carbon-Impregnated Cellulose, 5 mic.

Regular Price: $10.63

Special Price: $5.99

We carry Carbon Block, Carbon Brick, Activated Carbon-Impregnated Cellulose, and Granular Activated Carbon cartridges. Most come in several micron units, as well as in 10" and 20" sizes.

2 1/2" x 9 3/4" Learn More

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