Log In Log In  |  Checkout   |  85 item(s)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x MK420, Maintenance kit for RO565
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x *Discontinued* RO585ERP
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x bulkc10, Koolermax Carbon Block Filter
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x *Discontinued* RO585A
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x FRQ200, Flow Restrictor 200ML / min
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x FRQ420, Flow Restrictor 420ML / min
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 706, Membrane Filter Casing Housing Assembly
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x 752, DC Booster Pump w/ Transformer
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x bulkic21, Koolermax Inline Carbon Filter
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x WS-150M, Whole House Water Softener
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 719, Drain Saddle Clamp / Valve
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x FRQ300, Flow Restrictor 300ML / min
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x Optional: 564 Membrane Filter Housing Wrench Opener

View Cart$7,046.60
Specials Log InCreate Account Checkout  Shopping Cart85 item(s)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x MK420, Maintenance kit for RO565
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x *Discontinued* RO585ERP
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x bulkc10, Koolermax Carbon Block Filter
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x *Discontinued* RO585A
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x FRQ200, Flow Restrictor 200ML / min
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x FRQ420, Flow Restrictor 420ML / min
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 706, Membrane Filter Casing Housing Assembly
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x 752, DC Booster Pump w/ Transformer
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x bulkic21, Koolermax Inline Carbon Filter
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x WS-150M, Whole House Water Softener
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 719, Drain Saddle Clamp / Valve
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x FRQ300, Flow Restrictor 300ML / min
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x Optional: 564 Membrane Filter Housing Wrench Opener

View Cart$7,046.60

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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