Log In Log In  |  Checkout   |  187 item(s)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
4 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 706, Membrane Filter Casing Housing Assembly
1 x 214, Clear Inline Filter Cartridge Empty Case
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
2 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x HK120-P-TK-220V for EURO 220V / 50Hz
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
4 x 201, 1st stage sediment filter (replace every 6-12 months)
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
5 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
6 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 752, DC Booster Pump w/ Transformer
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
4 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x MKP, Maintenance kit for K5150P K6150P AR150P
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x *Discontinued* RO155
1 x 205, 5th stage final carbon filter
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x *Discontinued* RO155C
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 578, TDS Water Quality Meter tds-3
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x bulksf05, Koolermax Sediment Filter
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
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 KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
2 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
2 x DB40, DI Resin Refill Bag for DI210, RD322
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 723, Feed Water Adapter with Ball Valve
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 741-14, Diverter Valve for Countertop Water Units
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x *Discontinued* RD102
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
View Cart$8,950.72
Home
Specials Log InCreate Account Checkout  Shopping Cart187 item(s)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
4 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 706, Membrane Filter Casing Housing Assembly
1 x 214, Clear Inline Filter Cartridge Empty Case
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
2 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x HK120-P-TK-220V for EURO 220V / 50Hz
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
4 x 201, 1st stage sediment filter (replace every 6-12 months)
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
5 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
6 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 752, DC Booster Pump w/ Transformer
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
4 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x MKP, Maintenance kit for K5150P K6150P AR150P
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x *Discontinued* RO155
1 x 205, 5th stage final carbon filter
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x *Discontinued* RO155C
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 578, TDS Water Quality Meter tds-3
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x bulksf05, Koolermax Sediment Filter
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
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 KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
2 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
2 x DB40, DI Resin Refill Bag for DI210, RD322
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 723, Feed Water Adapter with Ball Valve
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 741-14, Diverter Valve for Countertop Water Units
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x *Discontinued* RD102
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
View Cart$8,950.72

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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