Log In Log In  |  Checkout   |  37 item(s)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 723, Feed Water Adapter with Ball Valve
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO

View Cart$2,116.94
Specials Log InCreate Account Checkout  Shopping Cart37 item(s)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 723, Feed Water Adapter with Ball Valve
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO

View Cart$2,116.94

ATU TEE Union Connector Quick Connect QC Fitting [ATU]

$3.50

ATU TEE Union Connector Quick Connect QC Fitting



* ATU TEE Union Connector, Quick Connect

* Please choose size from the selection box below. Both numbers are tubing OD Outside Diameter. First number is Tee double side and second number is the single side. (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 ATU0404
* 3/8" Tube OD x 1/4" Tube OD ATU0604
* 3/8" Tube OD x 3/8" Tube OD ATU0606
* 1/2" Tube OD x 3/8" Tube OD ATU0706
* 1/2" Tube OD x 1/2" Tube OD ATU0707


* 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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