ATU TEE Union Connector Quick Connect QC Fitting [ATU]

$3.50

* 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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1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
4 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x	KT-103, Optional Manual Membrane Flush Valve
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
3 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
4 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
5 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x	.K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
2 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
5 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
2 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
2 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	.K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x	Discontinued RO585ERP
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	.AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x	KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x	SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	Discontinued RO585A
2 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
2 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
2 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	578, TDS Water Quality Meter tds-3
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	Discontinued RD102
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 K5
1 x	326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	MK420, Maintenance kit for RO565
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	Discontinued RO585NTF
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
2 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO

View Cart	$7,278.78

1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
4 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x	KT-103, Optional Manual Membrane Flush Valve
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
3 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
4 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
5 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x	.K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
2 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
5 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
2 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
2 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	.K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x	Discontinued RO585ERP
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	.AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x	KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x	SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	Discontinued RO585A
2 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
2 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
2 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	578, TDS Water Quality Meter tds-3
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	Discontinued RD102
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 K5
1 x	326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	MK420, Maintenance kit for RO565
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	Discontinued RO585NTF
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
2 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO

View Cart	$7,278.78