Log In Log In  |  Checkout   |  104 item(s)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 741-38, Diverter Valve for RO DI Water Systems
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 752, DC Booster Pump w/ Transformer
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x DI210, Heavy-duty DI system for Aquarium and Reef
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x KT-103, Optional Manual Membrane Flush Valve
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x Optional: 564 Membrane Filter Housing Wrench Opener
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 741-14, Diverter Valve for Countertop Water Units
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
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 Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x FRQ200, Flow Restrictor 200ML / min
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75

View Cart$3,345.23
Specials Log InCreate Account Checkout  Shopping Cart104 item(s)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 741-38, Diverter Valve for RO DI Water Systems
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 752, DC Booster Pump w/ Transformer
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x DI210, Heavy-duty DI system for Aquarium and Reef
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x KT-103, Optional Manual Membrane Flush Valve
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x Optional: 564 Membrane Filter Housing Wrench Opener
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 741-14, Diverter Valve for Countertop Water Units
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
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 Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x FRQ200, Flow Restrictor 200ML / min
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75

View Cart$3,345.23

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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