Log In Log In  |  Checkout   |  123 item(s)
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 723, Feed Water Adapter with Ball Valve
1 x *Discontinued* RD106
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 720, Feed Water Adapter with Needle Valve
1 x bulk213, Inline Carbon Filter
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x FRQ300, Flow Restrictor 300ML / min
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x bulk201, Sediment Filter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FRQ420, Flow Restrictor 420ML / min
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 741-14, Diverter Valve for Countertop Water Units
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Special Filter Kit Koolermax dealer distribution kit
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x FRQ550, Flow Restrictor 500 to 600ML / min
2 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 719, Drain Saddle Clamp / Valve
1 x bulk818, DI resin refill bags Di-Ionization media
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x bulk205, Carbon Block Filter
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x bulksf05, Koolermax Sediment Filter
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
2 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x FRQ200, Flow Restrictor 200ML / min
View Cart$6,767.61
Home
Specials Log InCreate Account Checkout  Shopping Cart123 item(s)
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 723, Feed Water Adapter with Ball Valve
1 x *Discontinued* RD106
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 720, Feed Water Adapter with Needle Valve
1 x bulk213, Inline Carbon Filter
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x FRQ300, Flow Restrictor 300ML / min
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x bulk201, Sediment Filter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FRQ420, Flow Restrictor 420ML / min
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 741-14, Diverter Valve for Countertop Water Units
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Special Filter Kit Koolermax dealer distribution kit
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x FRQ550, Flow Restrictor 500 to 600ML / min
2 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 719, Drain Saddle Clamp / Valve
1 x bulk818, DI resin refill bags Di-Ionization media
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x bulk205, Carbon Block Filter
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x bulksf05, Koolermax Sediment Filter
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
2 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x FRQ200, Flow Restrictor 200ML / min
View Cart$6,767.61

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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