Log In Log In  |  Checkout   |  83 item(s)
2 x bulk213, Inline Carbon Filter
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
3 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 741-38, Diverter Valve for RO DI Water Systems
2 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x bulk201, Sediment Filter
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Parts, Ro Water System Installation Parts Bag 1/4"
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)

View Cart$3,515.75
Specials Log InCreate Account Checkout  Shopping Cart83 item(s)
2 x bulk213, Inline Carbon Filter
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
3 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 741-38, Diverter Valve for RO DI Water Systems
2 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x bulk201, Sediment Filter
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Parts, Ro Water System Installation Parts Bag 1/4"
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)

View Cart$3,515.75

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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