Pentek Inline Water Filters

Pentek® is the largest brand in the filtration industry. With over 50 types of Pentek® inline filters in stock, H2O offers a wide line of choices in 4 standard sizes, available for immediate shipment. Pentek® inline water filters are available with 1/4" & 3/8" FPT connections and many with 1/4" and/or 3/8" John Guest quick-connect fittings built-in.

All Pentek® inline filters are NSF Certified and are made with the highest grade materials available.

These filters are often used as a Reverse Osmosis (RO) inline post filter. They clip on to the membrane housing and filter the water after the bladder tank, acting as a polishing filter.

Other applications include: appliances, water coolers, coffee makers, and other low flow applications.


Pentek Inline Granular Activated Carbon Filters

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Pentek® 6" x 2" - 1/4" FNPT, Inline Coconut Shell GAC Cartridge
NSF® Certified Pentek® 6" x 2" - 1/4" FNPT, Inline Coconut Shell GAC Cartridge
$18.00
QTY:
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Pentek® 6" x 2" - 1/4" John Guest, Inline Coconut Shell GAC Cartridge
NSF® Certified Pentek® 6" x 2" - 1/4" John Guest, Inline Coconut Shell GAC Cartridge
$22.00
QTY:
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Pentek® 10" x 2" - 1/4" FNPT, Inline Coconut Shell GAC Cartridge
NSF® Certified Pentek® 10" x 2" - 1/4" FNPT, Inline Coconut Shell GAC Cartridge
$20.00
QTY:
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Pentek® 10" x 2" - 3/8" FNPT, Inline Coconut Shell GAC Cartridge
NSF® Certified Pentek® 10" x 2" - 3/8" FNPT, Inline Coconut Shell GAC Cartridge
$20.00
QTY:
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Pentek® 10" x 2" - 3/8" John Guest, Inline Coconut Shell GAC Cartridge
NSF® Certified Pentek® 10" x 2" - 3/8" John Guest, Inline Coconut Shell GAC Cartridge
$24.00
QTY:
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Pentek Inline Bacteriostatic Filters

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Pentek® 6" x 2" - 1/4" FNPT, Inline Bacteriostatic Cartridge
NSF® Certified Pentek® 6" x 2" - 1/4" FNPT, Inline Bacteriostatic Cartridge
$24.00
QTY:
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Pentek® 6" x 2" - 1/4" John Guest, Inline Bacteriostatic Cartridge
NSF® Certified Pentek® 6" x 2" - 1/4" John Guest, Inline Bacteriostatic Cartridge
$28.00
QTY:
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Pentek® 10" x 2" - 1/4" FNPT, Inline Bacteriostatic Cartridge
NSF® Certified Pentek® 10" x 2" - 1/4" FNPT, Inline Bacteriostatic Cartridge
$30.00
QTY:
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Pentek® 10" x 2" - 3/8" FNPT, Inline Bacteriostatic Cartridge
NSF® Certified Pentek® 10" x 2" - 3/8" FNPT, Inline Bacteriostatic Cartridge
$30.00
QTY:
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Pentek® 10" x 2" - 1/4" John Guest, Inline Bacteriostatic Cartridge
NSF® Certified Pentek® 10" x 2" - 1/4" John Guest, Inline Bacteriostatic Cartridge
$34.00
QTY:
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Pentek® 11" x 2.5" - 1/4" FNPT, Inline Bacteriostatic Cartridge
NSF® Certified Pentek® 11" x 2.5" - 1/4" FNPT, Inline Bacteriostatic Cartridge
$39.00
QTY:
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Pentek® 11" x 2.5" - 1/4" John Guest, Inline Bacteriostatic Cartridge
NSF® Certified Pentek® 11" x 2.5" - 1/4" John Guest, Inline Bacteriostatic Cartridge
$43.00
QTY:
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Pentek Inline Sediment & Rust Particulate Filters

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Pentek® 6" x 2" - 1/4" FNPT, Inline Sediment & Rust Cartridge
NSF® Certified Pentek® 6" x 2" - 1/4" FNPT, Inline Sediment & Rust Cartridge
$18.00
QTY:
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Pentek® 6" x 2" - 1/4" Inline John Guest, Sediment & Rust Cartridge
NSF® Certified Pentek® 6" x 2" - 1/4" Inline John Guest, Sediment & Rust Cartridge
$22.00
QTY:
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Pentek® 10" x 2" - 3/8" FNPT, Inline Sediment & Rust Cartridge
NSF® Certified Pentek® 10" x 2" - 3/8" FNPT, Inline Sediment & Rust Cartridge
$20.00
QTY:
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Pentek® 10" x 2" - 1/4" John Guest, Inline Sediment & Rust Cartridge
NSF® Certified Pentek® 10" x 2" - 1/4" John Guest, Inline Sediment & Rust Cartridge
$24.00
QTY:
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Pentek® 11" x 2.5" - 3/8" FNPT, Inline Sediment & Rust Cartridge
NSF® Certified Pentek® 11" x 2.5" - 3/8" FNPT, Inline Sediment & Rust Cartridge
$29.00
QTY:
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Pentek® 14" x 2.5" - 1/4" John Guest, Inline Sediment & Rust Cartridge
NSF® Certified Pentek® 14" x 2.5" - 1/4" John Guest, Inline Sediment & Rust Cartridge
$39.00
QTY:
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Pentek Inline Lime, Scale, and Chlorine Taste & Odor Filters

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Pentek® 6" x 2" - 1/4" FNPT, Inline Hexametaphosphate & Coconut Shell Cartridge
NSF® Certified Pentek® 6" x 2" - 1/4" FNPT, Inline Hexametaphosphate & Coconut Shell Cartridge
$23.00
QTY:
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Pentek® 6" x 2" - 3/8" FNPT, Inline Hexametaphosphate & Coconut Shell Cartridge
NSF® Certified Pentek® 6" x 2" - 3/8" FNPT, Inline Hexametaphosphate & Coconut Shell Cartridge
$23.00
QTY:
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Pentek® 10" x 2" - 1/4" FNPT, Inline Hexametaphosphate & Coconut Shell Cartridge
NSF® Certified Pentek® 10" x 2" - 1/4" FNPT, Inline Hexametaphosphate & Coconut Shell Cartridge
$28.00
QTY:
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Pentek® 10" x 2" - 3/8" FNPT, Inline Hexametaphosphate & Coconut Shell Cartridge
NSF® Certified Pentek® 10" x 2" - 3/8" FNPT, Inline Hexametaphosphate & Coconut Shell Cartridge
$28.00
QTY:
Add to Cart
Pentek® 10" x 2" - 1/4" John Guest, Inline Hexametaphosphate & Coconut Shell Cartridge
NSF® Certified Pentek® 10" x 2" - 1/4" John Guest, Inline Hexametaphosphate & Coconut Shell Cartridge
$32.00
QTY:
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Pentek® 10" x 2" - 3/8" John Guest, Inline Hexametaphosphate & Coconut Shell Cartridge
NSF® Certified Pentek® 10" x 2" - 3/8" John Guest, Inline Hexametaphosphate & Coconut Shell Cartridge
$32.00
QTY:
Add to Cart

Pentek Inline Lime & Scale Filters

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Pentek® 6" x 2" - 1/4" FNPT, Inline Hexametaphosphate Feeder Cartridge
NSF® Certified Pentek® 6" x 2" - 1/4" FNPT, Inline Hexametaphosphate Feeder Cartridge
$23.00
QTY:
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Pentek® 10" x 2" - 1/4" FNPT, Inline Hexametaphosphate Feeder Cartridge
NSF® Certified Pentek® 10" x 2" - 1/4" FNPT, Inline Hexametaphosphate Feeder Cartridge
$28.00
QTY:
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Pentek® 10" x 2" - 1/4" John Guest, Inline Hexametaphosphate Feeder Cartridge
NSF® Certified Pentek® 10" x 2" - 1/4" John Guest, Inline Hexametaphosphate Feeder Cartridge
$32.00
QTY:
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Pentek Inline Chlorine Taste & Odor Carbon Block Filters

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Pentek® 6" x 2" - 1/4" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 6" x 2" - 1/4" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
$18.00
QTY:
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Pentek® 6" x 2" - 3/8" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 6" x 2" - 3/8" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
$18.00
QTY:
Add to Cart
Pentek® 6" x 2" - 1/4" John Guest, Inline 5 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 6" x 2" - 1/4" John Guest, Inline 5 Micron Chlorine Taste & Odor Cartridge
$22.00
QTY:
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Pentek® 10" x 2" - 1/4" John Guest, Inline 1 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 10" x 2" - 1/4" John Guest, Inline 1 Micron Chlorine Taste & Odor Cartridge
$22.00
QTY:
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Pentek® 10" x 2" - 3/8" John Guest, Inline 1 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 10" x 2" - 3/8" John Guest, Inline 1 Micron Chlorine Taste & Odor Cartridge
$22.00
QTY:
Add to Cart
Pentek® 10" x 2" - 1/4" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 10" x 2" - 1/4" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
$22.00
QTY:
Add to Cart
Pentek® 10" x 2" - 3/8" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 10" x 2" - 3/8" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
$22.00
QTY:
Add to Cart
Pentek® 10" x 2" - 1/4" John Guest, Inline 5 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 10" x 2" - 1/4" John Guest, Inline 5 Micron Chlorine Taste & Odor Cartridge
$26.00
QTY:
Add to Cart
Pentek® 10" x 2" - 3/8" John Guest, Inline 5 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 10" x 2" - 3/8" John Guest, Inline 5 Micron Chlorine Taste & Odor Cartridge
$26.00
QTY:
Add to Cart
Pentek® 11" x 2.5" - 1/4" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 11" x 2.5" - 1/4" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
$29.00
QTY:
Add to Cart
Pentek® 11" x 2.5" - 1/4" John Guest, Inline 5 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 11" x 2.5" - 1/4" John Guest, Inline 5 Micron Chlorine Taste & Odor Cartridge
$29.00
QTY:
Add to Cart
Pentek® 14" x 2.5" - 1/4" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 14" x 2.5" - 1/4" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
$39.00
QTY:
Add to Cart
Pentek® 14" x 2.5" - 3/8" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 14" x 2.5" - 3/8" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge
$39.00
QTY:
Add to Cart
Pentek® 14" x 2.5" - 1/4" John Guest, Inline 5 Micron Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 14" x 2.5" - 1/4" John Guest, Inline 5 Micron Chlorine Taste & Odor Cartridge
$43.00
QTY:
Add to Cart

Pentek Inline Lead, Cysts, Particulate, and Chlorine Taste & Odor Filters

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Pentek® 11" x 2.5" - 1/4" John Guest, Inline 1 Micron Lead, Cysts, Particulate and Chlorine Taste & Odor Cartridge
NSF® Certified Pentek® 11" x 2.5" - 1/4" John Guest, Inline 1 Micron Lead, Cysts, Particulate and Chlorine Taste & Odor Cartridge
$34.00
QTY:
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Pentek Inline TDS Reduction - High Capacity DI Resin Filters

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Pentek® 11" x 2.5" - 1/4" FNPT, Inline 20 Micron TDS Reduction Cartridge
NSF® Certified Pentek® 11" x 2.5" - 1/4" FNPT, Inline 20 Micron TDS Reduction Cartridge
$39.00
QTY:
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Pentek® 14" x 2.5" - 1/4" FNPT, Inline 20 Micron TDS Reduction Cartridge
NSF® Certified Pentek® 14" x 2.5" - 1/4" FNPT, Inline 20 Micron TDS Reduction Cartridge
$49.00
QTY:
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Pentek Inline pH Stabilizers

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Pentek® pH Stabilizing Calcite/Carbon Inline Water Filter w/ 1/4" Ports
NSF® Certified Pentek® pH Stabilizing Calcite/Carbon Inline Water Filter w/ 1/4" Ports
$20.00
QTY:
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Pentek® pH Stabilizing Calcite/Carbon Inline Water Filter w/ 3/8" Ports
NSF® Certified Pentek® pH Stabilizing Calcite/Carbon Inline Water Filter w/ 3/8" Ports
$22.00
QTY:
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