Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.

LOW PRICES and FAST SHIPPING ONLINE SINCE 1999 !

99.5% Of All Items In Stock For Same Day Shipping!

John Guest ® Poly Tubing 3/8" For Pure Drinking Filter Water Systems

$0.65 Special Price $0.45
  • Buy 250 for $0.35 each and save 22%
In stock
John Guest ® Poly Tubing 3/8" O.D. (outer diameter) For Pure Drinking Water Systems - 3/8" O.D. (Outer Dimension) High Grade Drinking Water Tubing. Speedfit quick connector compatible. For Use With Optional Drain Saddle For Air Gap Faucet. Sold by the foot. Order 20 to get 20 feet.

John Guest ® Poly Tubing 3/8" O.D. (outer diameter) For Pure Drinking Water Systems

3/8" O.D. (Outer Dimension) High Grade Drinking Water Tubing. Speedfit quick connector compatible. For Use With Optional Drain Saddle For Air Gap Faucet. Sold by the foot. Order 20 to get 20 feet.

 

Learn How To Check Water Filter Connector Sizes

 

Learn How To Use John Guest Quick Fittings and Connectors

You may also be interested in the following product(s)

Related Categories

AllPure Water Filters ®

Apec Reverse Osmosis Replacement Water Filters ®

Aqua FX Water Filters ®

Aqua Soft Water Filters ®

Aqua Systems Water Filters ®

Arrowhead Puritap Water Filters ®

Atlantic Filter Replacement Water Filters ®

AvantaPure APPRO-50 Water Filters ®

Avian Water Filters

BioMaster Water Filters ®

Clack Water Filters ®

Duro Reverse Osmosis Water Filters

Essential Water & Air Water Filters ®

ExtraPure RO-450 Water Filters ®

FSHS PuRO Max Champ, WCW, PC-4, PC-5, CW-5000, CW-5500 Water Filters

Global Water Water Filters ®

Great Tahoe Springs Water Filters ®

Hellenbrand Millenium MRO-35 Water Filters ®

Kenmore Water Filters ®

Lindyspring Reverse Osmosis Water Filters ®

Marlo Reverse Osmosis Water Filters ®

Nutripure Water Filters ®

Omnipure Q Series Replacement Water Filters

PURO 35T Water Filters ®

Steeltec RO335 Compatible Water Filters

Sears Kenmore UltraFilter RO System Filters

Ultrowater RO-35 ® Water Filters

Vertex Water Filters ®

Water General Water Filters ®

RO-3000 American Plumber Reverse Osmosis Replacement Water Filters

RO-3500 American Plumber Reverse Osmosis System Filters

Drain Saddles

Sears Kenmore 42-34201 Chemical Contaminant Water Filtering System - 329.342010

Sears Kenmore 625.347120 Replacement Water Filters

PJD ® 3000 3 Stage CTA System CTA Reverse Osmosis Membrane

PJD ® 4000 4 Stage TFC System TFC Reverse Osmosis Membrane with inline GAC Post Filter

PJD ® 5000 5 Stage TFC System TFC Reverse Osmosis Membrane with inline GAC Post Filter

Cullgan AC-15 Aqua Cleer Good Water Machine RO System

Culligan AC-30 Aqua Cleer Good Water Machine RO System Water Filters

Culligan AC-50 Aqua Cleer Good Water Machine RO System Water Filters

Culligan Water Tower ® CWT-35 Water Filters

Culligan H-5 Aqua Cleer Good Water Machine Reverse Osmosis System

Culligan H-52 and H-53 Aqua Cleer Good Water Machine Reverse Osmosis System

Culligan H-8 and H-8SP Aqua Cleer Good Water Machine RO System

Culligan H-82, H-83 and H-30 Aqua Cleer Good Water Machine RO System Water Filters

Lancaster CRO-325 Reverse Osmosis System Compatible Replacement Water Filters & Reverse Osmosis RO Membrane

Lancaster CRO-350 Reverse Osmosis System Compatible Replacement Water Filters & Reverse Osmosis RO Membrane

Lancaster CRO-212 Reverse Osmosis System Replacement Water Filters & Reverse Osmosis RO Membrane

Lancaster CRO-312 Reverse Osmosis System Replacement Water Filters & Reverse Osmosis RO Membrane

RainSoft ® 9338 Reverse Osmosis System Water Filters

RainSoft ® 9590 & 9593 Reverse Osmosis System Water Filters

RainSoft ® 9591 Reverse Osmosis System Water Filters

RainSoft ® 9596 Reverse Osmosis System Water Filters

RainSoft ® 9598 Reverse Osmosis System Water Filters

RainSoft ® Ultrefiner UF10 RO System & 21173 Water Filters

RainSoft ® Ultrefiner UF22, UF22T, 21176 & UF50, UF50T & 21179, 21191 Water Filters

OMNIFILTER BF7a Whole House Heavy Duty Water Filter System

Omnifilter U700 Drinking Water Filtration System

OMNIFILTER RO2000 Reverse Osmosis System

Lancaster 7-TFC-50 RO Reverse Osmosis System Replacement Water Filters & RO Membrane

Challenger Conqueror CTA 3 Stage

Challenger Conqueror II and Gladiator II Water Filters

Coleman Only Water 500 WP30-1000 Water Filters

Coleman Only Water 525 WP30-2000 Water Filters

Kinetico 3 Stage CTA Compatible Replacement Water Filters

Kiss Aristocrat 5000 TFC Water Filters

Natures Way 4 Stage Reverse Osmosis Water Filters

PureGen ERO-100P High Flow Reverse Osmosis

Reo-Pure EM Series Replacement Water Filters

TGI Win 445 Topway Global Water Filters

TGI-315 - 3 Stage CTA Reverse Osmosis Systems

TGI-315TFC - 3 Stage Reverse Osmosis Systems

TGI-325E - 3 Stage Reverse Osmosis Systems

TGI-415 - 4 Stage Reverse Osmosis System

TGI-525 & TGI-525P - 5 Stage Reverse Osmosis Systems

TGI-625U, TGI-625UP & TGI-625UP/DX - 6 Stage Reverse Osmosis Systems

Delta Fresh US-1 Water Filters

Delta Fresh US-3 Reverse Osmosis 4 Stage Water Filters

Delta Fresh US-2 Reverse Osmosis 5 Stage Water Filters

Tube - Poly Tubing

FaucetMate FM DWS 1500 47-5574704 Water Factory

Water Factory SQC4 HF CUNO 3M Reverse Osmosis System

Water Factory SQC3 HF 3M CUNO 04-045 Reverse Osmosis System

Water Factory SQC2 HF 3M CUNO Reverse Osmosis System

Water Factory SQC-CTA CUNO 3M Reverse Osmosis System

Water Factory SQC4 PRO CUNO 3M Reverse Osmosis System

Water Factory N5000-TFC CUNO Reverse Osmosis System

Water Factory System 5000 Reverse Osmosis Water Filters

Water Factory N4500 4 Stage Reverse Osmosis System

Water Factory N4000 TFC 3 Stage Reverse Osmosis System

Water Factory 4000 CTA 3 Stage Reverse Osmosis System

Water Factory Series 3000 3 Stage Reverse Osmosis System

Pentek Carbon 10BB Big Blue Water Filters

Pentek Inline Refrigerator Water Filters

Pentek PVHCL-S1 and PSCL-S1 Replacement Water Filters

Microline Water Filters ®

Novatek Replacement Water Filters ®

Eagle Spring Water Filters ®

Lancaster LRO-35 Replacement Water Filters ®

Nature's Way Backpack Water Filters ®

Pro Elite RO-450 by GE Water Filters

Campbell ROS-400 Reverse Osmosis Water Filters

PuroTwist PT4000 Water Filters

PuroTwist PT3000 Water Filters

Aquacheck RO-25TFC Water Filters ®

Aquacheck RO-15TFC Water Filters ®

Aquacheck RO-36TFC Water Filters ®

Aquacheck RO-45TFC Water Filters ®

Aquacheck RO-10B Water Filters ®

Aquacheck RO-20B Water Filters ®

Aquacheck 5 Stage RO Water Filters ®

Water-Safe RO-10B Water Filters ®

Dervich 5 Stage RO Water Filters

AquaDepot AD-TFC-50-4 Reverse Osmosis 4 stage Replacement Water Filters

Aquadepot AD-TFC-50-5 Reverse Osmosis Replacement Water Filters

GoldLine 50 Water Filters

Hydrotech 4VTFC75G #1240203 & 4VTFC75G-PB # 1240303 RO Reverse Osmosis System

Crane Environmental RO-450 Water Filters

Crane Environmental RO-550 5 Stage Reverse Osmosis Water Filters

Aqua-Lux 4 Stage Standard Reverse Osmosis

Aqua-Lux Quick Change 4 Stage Reverse Osmosis

John Guest Fittings

Water-Right Eclipse WRO-35 Reverse Osmosis System

Stainless Steel RO Reverse Osmosis System

Hydrotech Aquafier Multi-Stage HT104 Series Carbon Drinking Water System Replacement Water Filters

Water-Right ® CRO-25D, TFC-15D, TFC-25D Impression Series Water Filters

Challenger Conqueror III 5 Stage Reverse Osmosis Water Filters

WaterCare UltroWater RO-35 ® Water Filters

Atlantic Filter HERO II HR-35-TFC-4W Water Filters ®

TGI EZ-450 Series Water Filters

TGI-GTS-550 & TGI-GTS-550P - 5 Stage Reverse Osmosis Systems

PuroTwist PT2000 Water Filters

Reo-Pure 3 Stage EC Series Replacement Water Filters

Reo-Pure Reo-10, REO-15, REO-20 and REO-30 Replacement Water Filters ®

Reo-Pure 4 Stage EC Series Replacement Water Filters

Reo-Pure 5 Stage EC Series Replacement Water Filters

Reo-Pure Commercial Reverse Osmosis Water Filters

DuPage Dyna Pro Reverse Osmosis Water Filters ®

Ultima VII 5 Stage Reverse Osmosis Replacement Water Filters

Ultima VI 4 Stage Reverse Osmosis Replacement Water Filters

Ultima V 3 Stage Reverse Osmosis Replacement Water Filters

Ultima Heavy Residential - Commercial 5 Stage Reverse Osmosis Replacement Water Filters

Ebtech Reverse Osmosis System Water Filters

Oasis Reverse Osmosis System Water Filters

Pentek 20BB Carbon Water Filters

Pentek Sediment 10BB Big Blue Water Filters

Ultima 7000 6 Stage Reverse Osmosis Replacement Water Filters

Whirlpool WHER 12 & WHER 18 RO System Filters ® Kenmore

Sierra Springs Reverse Osmosis Water Filters

Bruner L.P.R.O. II and DWS-III Reverse Osmosis Water Filters ®

Campbell CROS-5 Reverse Osmosis Water Filters

Marlo RO-14C, RO-25T TFC-25, TFC-35, TFC-35M Reverse Osmosis Water Filters

Aqua Flo RO75 Economy 5 Stage Replacement Water Filters

Eclipse WRO-35 ® Water Filters

AvantaPure RO-450 ® Water Filters

Millenium MRO-35 Water Filters ®

Home Water PT4000 Water Filters

Home Water PT3000 Water Filters

Havapure Genesis V Water Filters ®

Omnipure K Series Quick Connect Inline Replacement Water Filters

Omnipure CL Series NPT Threaded Inline Water Filters

Harmsco 801 Series Water Filters

Global Water 1240 Reverse Osmosis Water Filters

Harmsco Carbon Water Filters ®

American Plumber WWHC WH20BB Big Blue Water Filters Housings

Vertex EasyPur EZ-575 TF-4004, TF-4003, IFA-4036, MH-4206 Water Filters

Vertex 5 Stage Water Filters

Vertex 4 Stage RO System Water Filters

Vertex PT-3C- 4.0 Water Filters

OMNIFILTER RO2050 Reverse Osmosis System Replacement Water Filters

Omnifilter OT32 Replacement Water Filters

Omnifilter CBF3 Replacement Water Filters

Omnifilter SFM2 Replacement Water Filters

Omnifilter CBF1 Replacement Water Filters

Omnifilter CBF20 Replacement Water Filters

Omnifilter U600 Replacement Water Filters

Omnifilter U400 Replacement Water Filters

Omnifilter UC2 Replacement Water Filters

Omnifilter OB1, OB3, OB5 and R12 Replacement Water Filters

Omnifilter OTC2 Countertop Replacement Water Filters

Omnifilter U25, U24 and U30 Replacement Water Filters

OMNIFILTER BF55 Whole House Heavy Duty Water Filter System

Omnifilter USM2 Replacement Water Filters

Omnifilter OT-2 Dual Undercounter Filter System Replacement Water Filters, DIY Parts

Waterlogic Quick Connect Inline Water Filters

Omnipure Q -60 Blue Series Water Filters

WLCS-1000 American Plumber Drinking Water Filter System