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2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
4 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
6 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 723, Feed Water Adapter with Ball Valve
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x FRQ420, Flow Restrictor 420ML / min
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 706, Membrane Filter Casing Housing Assembly
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 720, Feed Water Adapter with Needle Valve
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x WS-150M, Whole House Water Softener
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x MK420, Maintenance kit for RO565
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 752, DC Booster Pump w/ Transformer
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FRQ300, Flow Restrictor 300ML / min
1 x 719, Drain Saddle Clamp / Valve
1 x FRQ200, Flow Restrictor 200ML / min
1 x 741-14, Diverter Valve for Countertop Water Units
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All

View Cart$9,762.99
Specials Log InCreate Account Checkout  Shopping Cart141 item(s)
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
4 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
6 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 723, Feed Water Adapter with Ball Valve
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x FRQ420, Flow Restrictor 420ML / min
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 706, Membrane Filter Casing Housing Assembly
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 720, Feed Water Adapter with Needle Valve
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x WS-150M, Whole House Water Softener
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x MK420, Maintenance kit for RO565
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 752, DC Booster Pump w/ Transformer
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FRQ300, Flow Restrictor 300ML / min
1 x 719, Drain Saddle Clamp / Valve
1 x FRQ200, Flow Restrictor 200ML / min
1 x 741-14, Diverter Valve for Countertop Water Units
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All

View Cart$9,762.99

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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