Log In Log In  |  Checkout   |  30 item(s)
1 x bulkc10, Koolermax Carbon Block Filter
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x bulk213, Inline Carbon Filter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)

View Cart$2,350.90
Specials Log InCreate Account Checkout  Shopping Cart30 item(s)
1 x bulkc10, Koolermax Carbon Block Filter
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x bulk213, Inline Carbon Filter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)

View Cart$2,350.90

ARD, Reducer Fitting Straight Tube OD Stem OD [ARD]

$3.50

ARD, Reducer Fitting Straight Tube OD Stem OD



* ARD, Reducer Fitting Straight Tube OD Stem OD

* Please choose size from the selection box below. First number is tubing OD and second number is Stem OD Outside Diameter (Pipe sizes can be confusing even for the experienced user. Pipe size is not the actual outside or inside diameter of the pipe but is the industry accepted designation. If you have any question please email us first.)
* 1/4" Tube OD x 3/8" Stem OD ARD0406
* 3/8" Tube OD x 1/2" Stem OD ARD0607


* Water & foods use: Products are manufactured from safe, non-toxic materials meeting the requirements of the US FDA, ERAS, ANSI/NSF-51,61, and SK Zert. Our products are widely used in water purification, food/beverage, and pneumatic systems.

* Function & Quality: Provides quick and convenient assembly-saving time & expense.

* Collet Design: Our unique oval collet design is superior and more practical, and is an improvement welcomed by our world wide customers in all industries.

* Additional Applications: Beyond water and food use, fittings can be used with air, gases, vacuum, & liquids. All connections can be assembled & disassembled repeatedly. A broad range of sizes covers a broad scope of applications.

* We carry different fittings in variation of sizes: 1/4", 3/8", or 1/2" adapters, connectors, fittings, or valves.  Most are not listed online, to avoid confusion to majority of RO system customers.  

* Send us a message with specification, intended application, and image of your setup or old fitting  to check if we have what you need. 

Available Options:

Size Combination:

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