Log In Log In  |  Checkout   |  27 item(s)
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 752, DC Booster Pump w/ Transformer
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)

View Cart$1,038.69
Specials Log InCreate Account Checkout  Shopping Cart27 item(s)
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 752, DC Booster Pump w/ Transformer
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)

View Cart$1,038.69

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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