Log In Log In  |  Checkout   |  26 item(s)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
2 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer

View Cart$1,453.93
Specials Log InCreate Account Checkout  Shopping Cart26 item(s)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
2 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer

View Cart$1,453.93

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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