Log In Log In  |  Checkout   |  168 item(s)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
3 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x KT-103, Optional Manual Membrane Flush Valve
4 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 752, DC Booster Pump w/ Transformer
1 x *Discontinued* RD106
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
4 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
3 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 213, 4th stage inline carbon filter (replace every 12 months)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x *Discontinued* RO155C
1 x *Discontinued* RO585
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
3 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x EMT-10, Empty Filter Cartridge Casing Housing
2 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x *Discontinued* RO6ALK
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 720, Feed Water Adapter with Needle Valve
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x *Discontinued* RO585ERP
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 706, Membrane Filter Casing Housing Assembly
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
View Cart$8,400.08
Home
Specials Log InCreate Account Checkout  Shopping Cart168 item(s)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
3 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x KT-103, Optional Manual Membrane Flush Valve
4 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 752, DC Booster Pump w/ Transformer
1 x *Discontinued* RD106
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
4 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
3 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 213, 4th stage inline carbon filter (replace every 12 months)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x *Discontinued* RO155C
1 x *Discontinued* RO585
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
3 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x EMT-10, Empty Filter Cartridge Casing Housing
2 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x *Discontinued* RO6ALK
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 720, Feed Water Adapter with Needle Valve
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x *Discontinued* RO585ERP
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 706, Membrane Filter Casing Housing Assembly
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
View Cart$8,400.08

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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