Pentek Inline Water Filters - H2O Distributors

Pentek 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 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 Products

We carry a wide variety of replacement filter cartridges, water filter systems, and filter housings & accessories from Pentek:

Carbon Block Cartridges GAC Cartridges Melt Blown Sediment Cartridges Ultrafiltration Cartridges Quick Change Under Sink Systems Plastic Filter Housings

Pentek Inline Granular Activated Carbon Filters

Pentek 10" x 2" - 1/4" FNPT, Inline Coconut Shell GAC Cartridge

GS-10RO-B
Pentek 10" x 2" - 1/4" FNPT, Inline Coconut Shell GAC Cartridge

Pentek 10" x 2" - 3/8" FNPT, Inline Coconut Shell GAC Cartridge

GS-10RO-C
Pentek 10" x 2" - 3/8" FNPT, Inline Coconut Shell GAC Cartridge

Pentek 10" x 2" - 1/4" John Guest, Inline Coconut Shell GAC Cartridge

GS-10RO-G
Pentek 10" x 2" - 1/4" John Guest, Inline Coconut Shell GAC Cartridge

Pentek 10" x 2" - 3/8" John Guest, Inline Coconut Shell GAC Cartridge

GS-10RO-H
Pentek 10" x 2" - 3/8" John Guest, Inline Coconut Shell GAC Cartridge

Pentek Inline Bacteriostatic Filters

Pentek 6" x 2" - 1/4" FNPT, Inline Bacteriostatic Cartridge

GS-6EXTRA.25-B
Pentek 6" x 2" - 1/4" FNPT, Inline Bacteriostatic Cartridge

Pentek 6" x 2" - 1/4" John Guest, Inline Bacteriostatic Cartridge

GS-6EXTRA.25-G
Pentek 6" x 2" - 1/4" John Guest, Inline Bacteriostatic Cartridge

Pentek 10" x 2" - 1/4" FNPT, Inline Bacteriostatic Cartridge

GS-10EXTRA.5-B
Pentek 10" x 2" - 1/4" FNPT, Inline Bacteriostatic Cartridge

Pentek 10" x 2" - 3/8" FNPT, Inline Bacteriostatic Cartridge

GS-10EXTRA.5-C
Pentek 10" x 2" - 3/8" FNPT, Inline Bacteriostatic Cartridge

Pentek Inline Sediment & Rust Particulate Filters

Pentek 10" x 2" - 1/4" John Guest, Inline Sediment & Rust Cartridge

GS-10SED-5-G
Pentek 10" x 2" - 1/4" John Guest, Inline Sediment & Rust Cartridge

Pentek 14" x 2.5" - 1/4" John Guest, Inline Sediment & Rust Cartridge

GS-215SED-5-G
Pentek 14" x 2.5" - 1/4" John Guest, Inline Sediment & Rust Cartridge

Pentek Inline Lime, Scale, and Chlorine Taste & Odor Filters

Pentek 10" x 2" - 1/4" FNPT, Inline GAC & Scale Inhibitor

GS-10ALS-B
Pentek 10" x 2" - 1/4" FNPT, Inline GAC & Scale Inhibitor

Pentek 10" x 2" - 3/8" FNPT, Inline GAC & Scale Inhibitor

GS-10ALS-C
Pentek 10" x 2" - 3/8" FNPT, Inline GAC & Scale Inhibitor

Pentek 10" x 2" - 3/8" John Guest, Inline GAC & Scale Inhibitor

GS-10ALS-H
Pentek 10" x 2" - 3/8" John Guest, Inline GAC & Scale Inhibitor

Pentek Inline Lime & Scale Filters

Pentek 6" x 2" - 1/4" FNPT, Inline Scale Inhibitor

GS-6pH-B
Pentek 6" x 2" - 1/4" FNPT, Inline Scale Inhibitor

Pentek 10" x 2" - 1/4" John Guest, Inline Scale Inhibitor

GS-10pH-G
Pentek 10" x 2" - 1/4" John Guest, Inline Scale Inhibitor

Pentek Inline Chlorine Taste & Odor Carbon Block Filters

Pentek 10" x 2" - 1/4" John Guest, Inline 1 Micron Chlorine Taste & Odor Cartridge

GS-10CB-1-G
Pentek 10" x 2" - 1/4" John Guest, Inline 1 Micron Chlorine Taste & Odor Cartridge

Pentek 10" x 2" - 3/8" John Guest, Inline 1 Micron Chlorine Taste & Odor Cartridge

GS-10CB-1-H
Pentek 10" x 2" - 3/8" John Guest, Inline 1 Micron Chlorine Taste & Odor Cartridge

Pentek 10" x 2" - 1/4" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge

GS-10CB-5-B
Pentek 10" x 2" - 1/4" FNPT, Inline 5 Micron Chlorine Taste & Odor Cartridge

Pentek Inline TDS Reduction - High Capacity DI Resin Filters

Pentek 11" x 2.5" - 1/4" FNPT, Inline 20 Micron TDS Reduction Cartridge

GS-210DI-B
Pentek 11" x 2.5" - 1/4" FNPT, Inline 20 Micron TDS Reduction Cartridge

Pentek 14" x 2.5" - 1/4" FNPT, Inline 20 Micron TDS Reduction Cartridge

GS-215DI-B
Pentek 14" x 2.5" - 1/4" FNPT, Inline 20 Micron TDS Reduction Cartridge

Pentek Inline pH Stabilizers

Pentek pH Stabilizing Calcite/Carbon Inline Water Filter w 1/4" Ports

GS-10CAL-RO-B
Pentek pH Stabilizing Calcite/Carbon Inline Water Filter w 1/4" Ports

Pentek pH Stabilizing Calcite/Carbon Inline Water Filter w 3/8

GS-10CAL-RO-H
Pentek pH Stabilizing Calcite/Carbon Inline Water Filter w 3/8" John Guest Fittings

Pentek GAC Inline w/ Hollow Fiber Membrane

Pentek 11" x 2.5" - 1/4" FNPT, Inline GAC Cartridge w/ Hollow Fiber Membrane

GS-210RO-MF-B
Pentek 11" x 2.5" - 1/4" FNPT, Inline GAC Cartridge w/ Hollow Fiber Membrane