Log In Log In  |  Checkout   |  85 item(s)
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x bulk205, Carbon Block Filter
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 752, DC Booster Pump w/ Transformer
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x 706, Membrane Filter Casing Housing Assembly
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 719, Drain Saddle Clamp / Valve
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x *Discontinued* RD106
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x WS-150M, Whole House Water Softener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001

View Cart$6,843.47
Specials Log InCreate Account Checkout  Shopping Cart85 item(s)
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x bulk205, Carbon Block Filter
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 752, DC Booster Pump w/ Transformer
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x 706, Membrane Filter Casing Housing Assembly
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 719, Drain Saddle Clamp / Valve
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x *Discontinued* RD106
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x WS-150M, Whole House Water Softener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001

View Cart$6,843.47

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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