Log In Log In  |  Checkout   |  137 item(s)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 741-38, Diverter Valve for RO DI Water Systems
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x FRQ420, Flow Restrictor 420ML / min
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
4 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x KT-103, Optional Manual Membrane Flush Valve
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 706, Membrane Filter Casing Housing Assembly
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
3 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 752, DC Booster Pump w/ Transformer
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 741-14, Diverter Valve for Countertop Water Units
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x FRQ200, Flow Restrictor 200ML / min
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 723, Feed Water Adapter with Ball Valve
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x HK120-P-TK for USA 110V / 60Hz

View Cart$6,181.00
Specials Log InCreate Account Checkout  Shopping Cart137 item(s)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 741-38, Diverter Valve for RO DI Water Systems
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x FRQ420, Flow Restrictor 420ML / min
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
4 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x KT-103, Optional Manual Membrane Flush Valve
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 706, Membrane Filter Casing Housing Assembly
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
3 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 752, DC Booster Pump w/ Transformer
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 741-14, Diverter Valve for Countertop Water Units
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x FRQ200, Flow Restrictor 200ML / min
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 723, Feed Water Adapter with Ball Valve
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x HK120-P-TK for USA 110V / 60Hz

View Cart$6,181.00

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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