Log In Log In  |  Checkout   |  48 item(s)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x *Discontinued* RO585A
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x 741-38, Diverter Valve for RO DI Water Systems
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x MK420, Maintenance kit for RO565
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish

View Cart$1,493.95
Specials Log InCreate Account Checkout  Shopping Cart48 item(s)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x *Discontinued* RO585A
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x 741-38, Diverter Valve for RO DI Water Systems
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x MK420, Maintenance kit for RO565
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish

View Cart$1,493.95

AUC Union Connector OD Quick Connect QC Fitting [AUC]

$3.00

AUC Union Connector OD Quick Connect QC Fitting



* AUC, Union Connector, Quick Connect type

* Please choose size from the selection box below. Both numbers are tubing 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 1/4" Tube OD AUC0404
* 3/8" Tube OD x 1/4" Tube OD AUC0604
* 3/8" Tube OD x 3/8" Tube OD AUC0606
* 1/2" Tube OD x 3/8" Tube OD AUC0706
* 1/2" Tube OD x 1/2" Tube OD AUC0707


* 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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