Log In Log In  |  Checkout   |  27 item(s)
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 723, Feed Water Adapter with Ball Valve
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Parts, Ro Water System Installation Parts Bag 1/4"

View Cart$851.50
Specials Log InCreate Account Checkout  Shopping Cart27 item(s)
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 723, Feed Water Adapter with Ball Valve
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Parts, Ro Water System Installation Parts Bag 1/4"

View Cart$851.50

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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